Merge pull request #1427 from mckamey/master

DUEL: App Update (#1110), cancel editing on escape keypress (#789), and routing support (#812)

.jscsrc

@@ -26,7 +26,9 @@
 	"excludeFiles": [
 		"**/node_modules/**",
 		"**/bower_components/**",
-		"examples/vanilladart/**/*.js"
+		"examples/vanilladart/**/*.js",
+		"examples/duel/www/**",
+		"examples/duel/src/main/webapp/js/lib/**"
 	],
 	"requireSpaceBeforeBlockStatements": true,
 	"requireParenthesesAroundIIFE": true,

examples/duel/.gitignore

 target/
+node_modules/
+www/cdn/debug/

examples/duel/bower.json

-{
-  "name": "todomvc-duel",
-  "version": "0.0.0",
-  "dependencies": {
-    "todomvc-common": "~0.3.0"
-  }
-}

examples/duel/package.json

+{
+  "private": true,
+  "scripts": {
+    "postinstall": "cp node_modules/todomvc-app-css/*.css src/main/webapp/css/ && cp node_modules/todomvc-common/*.css src/main/webapp/css/ && cp node_modules/todomvc-common/base.js src/main/webapp/js/lib/todos.js"
+  },
+  "dependencies": {
+    "todomvc-app-css": "^2.0.0",
+    "todomvc-common": "^1.0.1"
+  }
+}

examples/duel/pom.xml

@@ -3,11 +3,12 @@
 	xmlns="http://maven.apache.org/POM/4.0.0"
 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+
 	<modelVersion>4.0.0</modelVersion>
 
-	<groupId>com.example.todos</groupId>
+	<groupId>com.todomvc.duel</groupId>
 	<artifactId>todomvc</artifactId>
-	<version>0.1.0</version>
+	<version>0.2.0</version>
 	<packaging>war</packaging>
 
 	<name>TodoMVC</name>
@@ -17,25 +18,32 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<resourcesDir>${project.basedir}/src/main/resources</resourcesDir>
 
-		<staticapps.version>0.8.5</staticapps.version>
-		<merge.version>0.5.2</merge.version>
-		<duel.version>0.8.2</duel.version>
-		<slf4j.version>1.6.4</slf4j.version>
-		<javac.version>1.6</javac.version>
+		<staticapps.version>0.9.11</staticapps.version>
+		<merge.version>0.6.0</merge.version>
+		<duel.version>0.9.7</duel.version>
+		<slf4j.version>1.7.12</slf4j.version>
+		<javac.version>1.7</javac.version>
 
 		<duel.clientPrefix>todos.views</duel.clientPrefix>
-		<duel.serverPrefix>com.example.todos.views</duel.serverPrefix>
+		<duel.serverPrefix>com.todomvc.duel.views</duel.serverPrefix>
 		<duel.sourceDir>${resourcesDir}/views/</duel.sourceDir>
 		<duel.clientPath>/js/</duel.clientPath>
 
 		<merge.cdnMapFile>/cdn.properties</merge.cdnMapFile>
 		<merge.cdnRoot>/cdn/</merge.cdnRoot>
-		<merge.cdnFiles>.ico .png .jpg .gif .eot .woff .ttf .svg .svgz</merge.cdnFiles>
+		<merge.cdnFiles>.ico .png .jpg .gif .cur .eot .woff .ttf .svg .svgz</merge.cdnFiles>
 
 		<staticapps.config>${project.basedir}/staticapp.json</staticapps.config>
 	</properties>
 
 	<dependencies>
+		<!-- SLF4J runtime -->
+		<dependency>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-jdk14</artifactId>
+			<version>${slf4j.version}</version>
+		</dependency>
+
 		<!-- DUEL runtime -->
 		<dependency>
 			<groupId>org.duelengine</groupId>
@@ -49,13 +57,6 @@
 			<artifactId>duel-staticapps</artifactId>
 			<version>${staticapps.version}</version>
 		</dependency>
-
-		<!-- SLF4J runtime -->
-		<dependency>
-			<groupId>org.slf4j</groupId>
-			<artifactId>slf4j-jdk14</artifactId>
-			<version>${slf4j.version}</version>
-		</dependency>
 	</dependencies>
 
 	<build>
@@ -75,10 +76,11 @@
 			<plugin>
 				<groupId>org.apache.tomcat.maven</groupId>
 				<artifactId>tomcat7-maven-plugin</artifactId>
-				<version>2.0-beta-1</version>
+				<version>2.2</version>
 				<configuration>
 					<path>/</path>
 					<port>8080</port>
+					<uriEncoding>UTF-8</uriEncoding>
 					<warSourceDirectory>${project.build.directory}/${project.build.finalName}/</warSourceDirectory>
 				</configuration>
 			</plugin>

examples/duel/readme.md

-# DUEL TodoMVC Example
+# DUEL • [TodoMVC](http://todomvc.com)
 
 > DUEL is a dual-side templating engine using HTML for layout and 100% pure JavaScript as the binding language. The same views may be executed both directly in the browser (client-side template) and on the server (server-side template).
 
-> _[DUEL - bitbucket.org/mckamey/duel/wiki/Home](http://bitbucket.org/mckamey/duel/wiki/Home)_
 
+## Resources
 
-## Learning DUEL
+- [Website](http://duelengine.org)
+- [Documentation](http://bitbucket.org/mckamey/duel/wiki/Home)
+- [Syntax](https://bitbucket.org/mckamey/duel/wiki/Syntax)
+- [Examples](https://bitbucket.org/mckamey/duel/wiki/Examples)
+- [Source](https://bitbucket.org/mckamey/duel/src)
 
-The [DUEL website](http://bitbucket.org/mckamey/duel/wiki/Home) is a great resource for getting started.
-
-Here are some links you may find helpful:
-
-* [Syntax](https://bitbucket.org/mckamey/duel/wiki/Syntax)
-* [Examples](https://bitbucket.org/mckamey/duel/wiki/Examples)
-* [DUEL on BitBucket](https://bitbucket.org/mckamey/duel/src)
-
-_If you have other helpful links to share, or find any of the links above no longer work, please [let us know](https://github.com/tastejs/todomvc/issues)._
+*Let us [know](https://github.com/tastejs/todomvc/issues) if you discover anything worth sharing.*
 
 
 ## Implementation
@@ -44,4 +40,8 @@ To run a debug-able version using Tomcat 7 as the web server, use this Maven com
 
 	mvn tomcat7:run
 
-Then navigate your browser to http://localhost:8080/
+Then navigate your browser to <http://localhost:8080/>
+
+## Credit
+
+Created by [Stephen McKamey](http://mck.me)

examples/duel/src/main/resources/views/HomePage.duel

 <view name="HomePage"><!doctype html>
-<html lang="en" data-framework="duel">
+<html lang="en">
 <head>
 	<meta charset="utf-8">
-	<title>DUEL &bull; TodoMVC</title>
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<title>DUEL • TodoMVC</title>
 	<link rel="stylesheet" href="/css/styles.merge">
 </head>
 <body>
-	<footer id="info">
+	<footer class="info">
 		<p>Double-click to edit a todo</p>
 		<p>Ported to <a href="http://duelengine.org">DUEL</a> by <a href="http://mck.me">Stephen McKamey</a></p>
 		<p>Part of <a href="http://todomvc.com">TodoMVC</a></p>

examples/duel/src/main/resources/views/Stats.duel

 <view name="Stats">
 
-<%-- this footer should hidden by default and shown when there are todos --%>
-<footer id="footer" if="<%= data.total %>">
-	<span id="todo-count"><strong><%= data.active %></strong> <%= (data.active === 1) ? 'item' : 'items' %> left</span>
+<%-- This footer should hidden by default and shown when there are todos. --%>
+<footer class="footer" if="<%= data.total %>">
+	<span class="todo-count"><strong><%= data.active %></strong> <%= (data.active === 1) ? 'item' : 'items' %> left</span>
 
-<%-- TODO: implement routing
-	<ul id="filters">
+	<ul class="filters">
 		<li>
-			<a class="selected" href="#/">All</a>
+			<a href="#/" class="<%= !data.filter ? 'selected' : null %>">All</a>
 		</li>
 		<li>
-			<a href="#/active">Active</a>
+			<a href="#/active" class="<%= data.filter === 'active' ? 'selected' : null %>">Active</a>
 		</li>
 		<li>
-			<a href="#/completed">Completed</a>
+			<a href="#/completed" class="<%= data.filter === 'completed' ? 'selected' : null %>">Completed</a>
 		</li>
 	</ul>
---%>
-	<button id="clear-completed"
+
+	<%-- Hidden if no completed items are left ↓ --%>
+	<button class="clear-completed"
 		if="<%= data.completed %>"
-		onclick="<%= todos.actions.clear_click %>">Clear completed</button>
+		onclick="<%= todos.actions.clearOnClick %>">Clear completed</button>
 </footer>

examples/duel/src/main/resources/views/Task.duel

 <view name="Task">
 
-<%-- could have embedded in 'tasks' for-loop, but this allows us to add single tasks --%>
-
+<%-- List items should get the class `editing` when editing and `completed` when marked as completed. --%>
 <li class="<%= data.completed ? 'completed' : '' %>">
-
 	<div class="view">
 		<input class="toggle" type="checkbox" checked="<%= data.completed %>"
-			onchange="<%= todos.actions.completed_change(data.id) %>">
-
-		<label ondblclick="<%= todos.actions.content_dblclick(data.id) %>"><%= data.title %></label>
-
-		<button class="destroy" onclick="<%= todos.actions.remove_click(data.id) %>"></button>
+			onchange="<%= todos.actions.completedOnChange(data.id) %>">
+		<label ondblclick="<%= todos.actions.editOnDblclick %>"><%= data.title %></label>
+		<button class="destroy" onclick="<%= todos.actions.removeOnClick(data.id) %>"></button>
 	</div>
-
 	<input class="edit" type="text" value="<%= data.title %>"
-		onblur="<%= todos.actions.edit_blur(data.id) %>"
-		onkeypress="<%= todos.actions.edit_keypress(data.id) %>">
+		onblur="<%= todos.actions.editOnBlur(data.id) %>"
+		onkeydown="<%= todos.actions.editOnKeydown(data.id) %>">
 </li>

examples/duel/src/main/resources/views/Tasks.duel

 <view name="Tasks">
 
-<%-- this section should hidden by default and shown when there are todos --%>
-<section id="main" if="<%= data.tasks.length %>">
-
-	<input id="toggle-all" type="checkbox" checked="<%= !data.stats.active %>"
-		onchange="<%= todos.actions.toggle_change %>">
-
+<%-- This section should be hidden by default and shown when there are todos. --%>
+<section class="main" if="<%= data.tasks && data.tasks.length %>">
+	<input class="toggle-all" type="checkbox" checked="<%= !data.stats.active %>"
+		onchange="<%= todos.actions.toggleOnChange %>">
 	<label for="toggle-all">Mark all as complete</label>
-
-	<ul id="todo-list">
+	<ul class="todo-list">
 	<for each="<%= data.tasks %>">
 		<call view="Task">
 	</for>

examples/duel/src/main/resources/views/TodoApp.duel

 <view name="TodoApp">
 
-<section id="todoapp">
-	<header id="header">
+<section class="todoapp">
+	<header class="header">
 		<h1>todos</h1>
-		<input id="new-todo"
-			placeholder="What needs to be done?"
-			autofocus
-			onblur="<%= todos.actions.add_blur %>"
-			onkeypress="<%= todos.actions.add_keypress %>">
+		<input class="new-todo" placeholder="What needs to be done?" autofocus
+			onblur="<%= todos.actions.add_blur %>" onkeydown="<%= todos.actions.addOnKeydown %>">
 	</header>
-
 	<call view="Tasks" data="data" />
 	<call view="Stats" data="data.stats" />
 </section>

examples/duel/src/main/webapp/WEB-INF/web.xml

@@ -21,4 +21,17 @@
 		<servlet-name>routing-servlet</servlet-name>
 		<url-pattern>/</url-pattern>
 	</servlet-mapping>
+
+	<mime-mapping>
+		<extension>html</extension>
+		<mime-type>text/html;charset=utf-8</mime-type>
+	</mime-mapping>
+	<mime-mapping>
+		<extension>css</extension>
+		<mime-type>text/css;charset=utf-8</mime-type>
+	</mime-mapping>
+	<mime-mapping>
+		<extension>js</extension>
+		<mime-type>application/javascript;charset=utf-8</mime-type>
+	</mime-mapping>
 </web-app>

examples/duel/src/main/webapp/css/base.css

+hr {
+	margin: 20px 0;
+	border: 0;
+	border-top: 1px dashed #c5c5c5;
+	border-bottom: 1px dashed #f7f7f7;
+}
+
+.learn a {
+	font-weight: normal;
+	text-decoration: none;
+	color: #b83f45;
+}
+
+.learn a:hover {
+	text-decoration: underline;
+	color: #787e7e;
+}
+
+.learn h3,
+.learn h4,
+.learn h5 {
+	margin: 10px 0;
+	font-weight: 500;
+	line-height: 1.2;
+	color: #000;
+}
+
+.learn h3 {
+	font-size: 24px;
+}
+
+.learn h4 {
+	font-size: 18px;
+}
+
+.learn h5 {
+	margin-bottom: 0;
+	font-size: 14px;
+}
+
+.learn ul {
+	padding: 0;
+	margin: 0 0 30px 25px;
+}
+
+.learn li {
+	line-height: 20px;
+}
+
+.learn p {
+	font-size: 15px;
+	font-weight: 300;
+	line-height: 1.3;
+	margin-top: 0;
+	margin-bottom: 0;
+}
+
+#issue-count {
+	display: none;
+}
+
+.quote {
+	border: none;
+	margin: 20px 0 60px 0;
+}
+
+.quote p {
+	font-style: italic;
+}
+
+.quote p:before {
+	content: '“';
+	font-size: 50px;
+	opacity: .15;
+	position: absolute;
+	top: -20px;
+	left: 3px;
+}
+
+.quote p:after {
+	content: '”';
+	font-size: 50px;
+	opacity: .15;
+	position: absolute;
+	bottom: -42px;
+	right: 3px;
+}
+
+.quote footer {
+	position: absolute;
+	bottom: -40px;
+	right: 0;
+}
+
+.quote footer img {
+	border-radius: 3px;
+}
+
+.quote footer a {
+	margin-left: 5px;
+	vertical-align: middle;
+}
+
+.speech-bubble {
+	position: relative;
+	padding: 10px;
+	background: rgba(0, 0, 0, .04);
+	border-radius: 5px;
+}
+
+.speech-bubble:after {
+	content: '';
+	position: absolute;
+	top: 100%;
+	right: 30px;
+	border: 13px solid transparent;
+	border-top-color: rgba(0, 0, 0, .04);
+}
+
+.learn-bar > .learn {
+	position: absolute;
+	width: 272px;
+	top: 8px;
+	left: -300px;
+	padding: 10px;
+	border-radius: 5px;
+	background-color: rgba(255, 255, 255, .6);
+	transition-property: left;
+	transition-duration: 500ms;
+}
+
+@media (min-width: 899px) {
+	.learn-bar {
+		width: auto;
+		padding-left: 300px;
+	}
+
+	.learn-bar > .learn {
+		left: 8px;
+	}
+}

examples/duel/src/main/webapp/bower_components/todomvc-common/base.css → examples/duel/src/main/webapp/css/index.css

@@ -12,25 +12,27 @@ button {
 	font-size: 100%;
 	vertical-align: baseline;
 	font-family: inherit;
+	font-weight: inherit;
 	color: inherit;
 	-webkit-appearance: none;
-	-ms-appearance: none;
-	-o-appearance: none;
 	appearance: none;
+	-webkit-font-smoothing: antialiased;
+	-moz-font-smoothing: antialiased;
+	font-smoothing: antialiased;
 }
 
 body {
 	font: 14px 'Helvetica Neue', Helvetica, Arial, sans-serif;
 	line-height: 1.4em;
-	background: #eaeaea url('bg.png');
+	background: #f5f5f5;
 	color: #4d4d4d;
-	width: 550px;
+	min-width: 230px;
+	max-width: 550px;
 	margin: 0 auto;
 	-webkit-font-smoothing: antialiased;
 	-moz-font-smoothing: antialiased;
-	-ms-font-smoothing: antialiased;
-	-o-font-smoothing: antialiased;
 	font-smoothing: antialiased;
+	font-weight: 300;
 }
 
 button,
@@ -38,85 +40,57 @@ input[type="checkbox"] {
 	outline: none;
 }
 
-#todoapp {
+.hidden {
+	display: none;
+}
+
+.todoapp {
 	background: #fff;
-	background: rgba(255, 255, 255, 0.9);
 	margin: 130px 0 40px 0;
-	border: 1px solid #ccc;
 	position: relative;
-	border-top-left-radius: 2px;
-	border-top-right-radius: 2px;
-	box-shadow: 0 2px 6px 0 rgba(0, 0, 0, 0.2),
-				0 25px 50px 0 rgba(0, 0, 0, 0.15);
+	box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2),
+	            0 25px 50px 0 rgba(0, 0, 0, 0.1);
 }
 
-#todoapp:before {
-	content: '';
-	border-left: 1px solid #f5d6d6;
-	border-right: 1px solid #f5d6d6;
-	width: 2px;
-	position: absolute;
-	top: 0;
-	left: 40px;
-	height: 100%;
+.todoapp input::-webkit-input-placeholder {
+	font-style: italic;
+	font-weight: 300;
+	color: #e6e6e6;
 }
 
-#todoapp input::-webkit-input-placeholder {
+.todoapp input::-moz-placeholder {
 	font-style: italic;
+	font-weight: 300;
+	color: #e6e6e6;
 }
 
-#todoapp input::-moz-placeholder {
+.todoapp input::input-placeholder {
 	font-style: italic;
-	color: #a9a9a9;
+	font-weight: 300;
+	color: #e6e6e6;
 }
 
-#todoapp h1 {
+.todoapp h1 {
 	position: absolute;
-	top: -120px;
+	top: -155px;
 	width: 100%;
-	font-size: 70px;
-	font-weight: bold;
+	font-size: 100px;
+	font-weight: 100;
 	text-align: center;
-	color: #b3b3b3;
-	color: rgba(255, 255, 255, 0.3);
-	text-shadow: -1px -1px rgba(0, 0, 0, 0.2);
+	color: rgba(175, 47, 47, 0.15);
 	-webkit-text-rendering: optimizeLegibility;
 	-moz-text-rendering: optimizeLegibility;
-	-ms-text-rendering: optimizeLegibility;
-	-o-text-rendering: optimizeLegibility;
 	text-rendering: optimizeLegibility;
 }
 
-#header {
-	padding-top: 15px;
-	border-radius: inherit;
-}
-
-#header:before {
-	content: '';
-	position: absolute;
-	top: 0;
-	right: 0;
-	left: 0;
-	height: 15px;
-	z-index: 2;
-	border-bottom: 1px solid #6c615c;
-	background: #8d7d77;
-	background: -webkit-gradient(linear, left top, left bottom, from(rgba(132, 110, 100, 0.8)),to(rgba(101, 84, 76, 0.8)));
-	background: -webkit-linear-gradient(top, rgba(132, 110, 100, 0.8), rgba(101, 84, 76, 0.8));
-	background: linear-gradient(top, rgba(132, 110, 100, 0.8), rgba(101, 84, 76, 0.8));
-	filter: progid:DXImageTransform.Microsoft.gradient(GradientType=0,StartColorStr='#9d8b83', EndColorStr='#847670');
-	border-top-left-radius: 1px;
-	border-top-right-radius: 1px;
-}
-
-#new-todo,
+.new-todo,
 .edit {
 	position: relative;
 	margin: 0;
 	width: 100%;
 	font-size: 24px;
 	font-family: inherit;
+	font-weight: inherit;
 	line-height: 1.4em;
 	border: 0;
 	outline: none;
@@ -124,89 +98,83 @@ input[type="checkbox"] {
 	padding: 6px;
 	border: 1px solid #999;
 	box-shadow: inset 0 -1px 5px 0 rgba(0, 0, 0, 0.2);
-	-moz-box-sizing: border-box;
-	-ms-box-sizing: border-box;
-	-o-box-sizing: border-box;
 	box-sizing: border-box;
 	-webkit-font-smoothing: antialiased;
 	-moz-font-smoothing: antialiased;
-	-ms-font-smoothing: antialiased;
-	-o-font-smoothing: antialiased;
 	font-smoothing: antialiased;
 }
 
-#new-todo {
+.new-todo {
 	padding: 16px 16px 16px 60px;
 	border: none;
-	background: rgba(0, 0, 0, 0.02);
-	z-index: 2;
-	box-shadow: none;
+	background: rgba(0, 0, 0, 0.003);
+	box-shadow: inset 0 -2px 1px rgba(0,0,0,0.03);
 }
 
-#main {
+.main {
 	position: relative;
 	z-index: 2;
-	border-top: 1px dotted #adadad;
+	border-top: 1px solid #e6e6e6;
 }
 
 label[for='toggle-all'] {
 	display: none;
 }
 
-#toggle-all {
+.toggle-all {
 	position: absolute;
-	top: -42px;
-	left: -4px;
-	width: 40px;
+	top: -55px;
+	left: -12px;
+	width: 60px;
+	height: 34px;
 	text-align: center;
-	/* Mobile Safari */
-	border: none;
+	border: none; /* Mobile Safari */
 }
 
-#toggle-all:before {
-	content: '»';
-	font-size: 28px;
-	color: #d9d9d9;
-	padding: 0 25px 7px;
+.toggle-all:before {
+	content: '❯';
+	font-size: 22px;
+	color: #e6e6e6;
+	padding: 10px 27px 10px 27px;
 }
 
-#toggle-all:checked:before {
+.toggle-all:checked:before {
 	color: #737373;
 }
 
-#todo-list {
+.todo-list {
 	margin: 0;
 	padding: 0;
 	list-style: none;
 }
 
-#todo-list li {
+.todo-list li {
 	position: relative;
 	font-size: 24px;
-	border-bottom: 1px dotted #ccc;
+	border-bottom: 1px solid #ededed;
 }
 
-#todo-list li:last-child {
+.todo-list li:last-child {
 	border-bottom: none;
 }
 
-#todo-list li.editing {
+.todo-list li.editing {
 	border-bottom: none;
 	padding: 0;
 }
 
-#todo-list li.editing .edit {
+.todo-list li.editing .edit {
 	display: block;
 	width: 506px;
 	padding: 13px 17px 12px 17px;
 	margin: 0 0 0 43px;
 }
 
-#todo-list li.editing .view {
+.todo-list li.editing .view {
 	display: none;
 }
 
-#todo-list li .toggle {
+.todo-list li .toggle {
 	text-align: center;
 	width: 40px;
 	/* auto, since non-WebKit browsers doesn't support input styling */
@@ -215,47 +183,35 @@ label[for='toggle-all'] {
 	top: 0;
 	bottom: 0;
 	margin: auto 0;
-	/* Mobile Safari */
-	border: none;
+	border: none; /* Mobile Safari */
 	-webkit-appearance: none;
-	-ms-appearance: none;
-	-o-appearance: none;
 	appearance: none;
 }
 
-#todo-list li .toggle:after {
-	content: '✔';
-	/* 40 + a couple of pixels visual adjustment */
-	line-height: 43px;
-	font-size: 20px;
-	color: #d9d9d9;
-	text-shadow: 0 -1px 0 #bfbfbf;
+.todo-list li .toggle:after {
+	content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="-10 -18 100 135"><circle cx="50" cy="50" r="50" fill="none" stroke="#ededed" stroke-width="3"/></svg>');
 }
 
-#todo-list li .toggle:checked:after {
-	color: #85ada7;
-	text-shadow: 0 1px 0 #669991;
-	bottom: 1px;
-	position: relative;
+.todo-list li .toggle:checked:after {
+	content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="-10 -18 100 135"><circle cx="50" cy="50" r="50" fill="none" stroke="#bddad5" stroke-width="3"/><path fill="#5dc2af" d="M72 25L42 71 27 56l-4 4 20 20 34-52z"/></svg>');
 }
 
-#todo-list li label {
+.todo-list li label {
 	white-space: pre;
 	word-break: break-word;
 	padding: 15px 60px 15px 15px;
 	margin-left: 45px;
 	display: block;
 	line-height: 1.2;
-	-webkit-transition: color 0.4s;
 	transition: color 0.4s;
 }
 
-#todo-list li.completed label {
-	color: #a9a9a9;
+.todo-list li.completed label {
+	color: #d9d9d9;
 	text-decoration: line-through;
 }
 
-#todo-list li .destroy {
+.todo-list li .destroy {
 	display: none;
 	position: absolute;
 	top: 0;
@@ -264,68 +220,65 @@ label[for='toggle-all'] {
 	width: 40px;
 	height: 40px;
 	margin: auto 0;
-	font-size: 22px;
-	color: #a88a8a;
-	-webkit-transition: all 0.2s;
-	transition: all 0.2s;
+	font-size: 30px;
+	color: #cc9a9a;
+	margin-bottom: 11px;
+	transition: color 0.2s ease-out;
 }
 
-#todo-list li .destroy:hover {
-	text-shadow: 0 0 1px #000,
-				 0 0 10px rgba(199, 107, 107, 0.8);
-	-webkit-transform: scale(1.3);
-	transform: scale(1.3);
+.todo-list li .destroy:hover {
+	color: #af5b5e;
 }
 
-#todo-list li .destroy:after {
-	content: '✖';
+.todo-list li .destroy:after {
+	content: '×';
 }
 
-#todo-list li:hover .destroy {
+.todo-list li:hover .destroy {
 	display: block;
 }
 
-#todo-list li .edit {
+.todo-list li .edit {
 	display: none;
 }
 
-#todo-list li.editing:last-child {
+.todo-list li.editing:last-child {
 	margin-bottom: -1px;
 }
 
-#footer {
+.footer {
 	color: #777;
-	padding: 0 15px;
-	position: absolute;
-	right: 0;
-	bottom: -31px;
-	left: 0;
+	padding: 10px 15px;
 	height: 20px;
-	z-index: 1;
 	text-align: center;
+	border-top: 1px solid #e6e6e6;
 }
 
-#footer:before {
+.footer:before {
 	content: '';
 	position: absolute;
 	right: 0;
-	bottom: 31px;
+	bottom: 0;
 	left: 0;
 	height: 50px;
-	z-index: -1;
-	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.3),
-				0 6px 0 -3px rgba(255, 255, 255, 0.8),
-				0 7px 1px -3px rgba(0, 0, 0, 0.3),
-				0 43px 0 -6px rgba(255, 255, 255, 0.8),
-				0 44px 2px -6px rgba(0, 0, 0, 0.2);
+	overflow: hidden;
+	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.2),
+	            0 8px 0 -3px #f6f6f6,
+	            0 9px 1px -3px rgba(0, 0, 0, 0.2),
+	            0 16px 0 -6px #f6f6f6,
+	            0 17px 2px -6px rgba(0, 0, 0, 0.2);
 }
 
-#todo-count {
+.todo-count {
 	float: left;
 	text-align: left;
 }
 
-#filters {
+.todo-count strong {
+	font-weight: 300;
+}
+
+.filters {
 	margin: 0;
 	padding: 0;
 	list-style: none;
@@ -334,69 +287,79 @@ label[for='toggle-all'] {
 	left: 0;
 }
 
-#filters li {
+.filters li {
 	display: inline;
 }
 
-#filters li a {
-	color: #83756f;
-	margin: 2px;
+.filters li a {
+	color: inherit;
+	margin: 3px;
+	padding: 3px 7px;
 	text-decoration: none;
+	border: 1px solid transparent;
+	border-radius: 3px;
+}
+
+.filters li a.selected,
+.filters li a:hover {
+	border-color: rgba(175, 47, 47, 0.1);
 }
 
-#filters li a.selected {
-	font-weight: bold;
+.filters li a.selected {
+	border-color: rgba(175, 47, 47, 0.2);
 }
 
-#clear-completed {
+.clear-completed,
+html .clear-completed:active {
 	float: right;
 	position: relative;
 	line-height: 20px;
 	text-decoration: none;
-	background: rgba(0, 0, 0, 0.1);
-	font-size: 11px;
-	padding: 0 10px;
-	border-radius: 3px;
-	box-shadow: 0 -1px 0 0 rgba(0, 0, 0, 0.2);
+	cursor: pointer;
+	position: relative;
 }
 
-#clear-completed:hover {
-	background: rgba(0, 0, 0, 0.15);
-	box-shadow: 0 -1px 0 0 rgba(0, 0, 0, 0.3);
+.clear-completed:hover {
+	text-decoration: underline;
 }
 
-#info {
+.info {
 	margin: 65px auto 0;
-	color: #a6a6a6;
-	font-size: 12px;
-	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.7);
+	color: #bfbfbf;
+	font-size: 10px;
+	text-shadow: 0 1px 0 rgba(255, 255, 255, 0.5);
 	text-align: center;
 }
 
-#info a {
+.info p {
+	line-height: 1;
+}
+
+.info a {
 	color: inherit;
+	text-decoration: none;
+	font-weight: 400;
+}
+
+.info a:hover {
+	text-decoration: underline;
 }
 
 /*
 	Hack to remove background from Mobile Safari.
-	Can't use it globally since it destroys checkboxes in Firefox and Opera
+	Can't use it globally since it destroys checkboxes in Firefox
 */
-
 @media screen and (-webkit-min-device-pixel-ratio:0) {
-	#toggle-all,
-	#todo-list li .toggle {
+	.toggle-all,
+	.todo-list li .toggle {
 		background: none;
 	}
 
-	#todo-list li .toggle {
+	.todo-list li .toggle {
 		height: 40px;
 	}
 
-	#toggle-all {
-		top: -56px;
-		left: -15px;
-		width: 65px;
-		height: 41px;
+	.toggle-all {
 		-webkit-transform: rotate(90deg);
 		transform: rotate(90deg);
 		-webkit-appearance: none;
@@ -404,151 +367,12 @@ label[for='toggle-all'] {
 	}
 }
 
-.hidden {
-	display: none;
-}
-
-hr {
-	margin: 20px 0;
-	border: 0;
-	border-top: 1px dashed #C5C5C5;
-	border-bottom: 1px dashed #F7F7F7;
-}
-
-.learn a {
-	font-weight: normal;
-	text-decoration: none;
-	color: #b83f45;
-}
-
-.learn a:hover {
-	text-decoration: underline;
-	color: #787e7e;
-}
-
-.learn h3,
-.learn h4,
-.learn h5 {
-	margin: 10px 0;
-	font-weight: 500;
-	line-height: 1.2;
-	color: #000;
-}
-
-.learn h3 {
-	font-size: 24px;
-}
-
-.learn h4 {
-	font-size: 18px;
-}
-
-.learn h5 {
-	margin-bottom: 0;
-	font-size: 14px;
-}
-
-.learn ul {
-	padding: 0;
-	margin: 0 0 30px 25px;
-}
-
-.learn li {
-	line-height: 20px;
-}
-
-.learn p {
-	font-size: 15px;
-	font-weight: 300;
-	line-height: 1.3;
-	margin-top: 0;
-	margin-bottom: 0;
-}
-
-.quote {
-	border: none;
-	margin: 20px 0 60px 0;
-}
-
-.quote p {
-	font-style: italic;
-}
-
-.quote p:before {
-	content: '“';
-	font-size: 50px;
-	opacity: .15;
-	position: absolute;
-	top: -20px;
-	left: 3px;
-}
-
-.quote p:after {
-	content: '”';
-	font-size: 50px;
-	opacity: .15;
-	position: absolute;
-	bottom: -42px;
-	right: 3px;
-}
-
-.quote footer {
-	position: absolute;
-	bottom: -40px;
-	right: 0;
-}
-
-.quote footer img {
-	border-radius: 3px;
-}
-
-.quote footer a {
-	margin-left: 5px;
-	vertical-align: middle;
-}
-
-.speech-bubble {
-	position: relative;
-	padding: 10px;
-	background: rgba(0, 0, 0, .04);
-	border-radius: 5px;
-}
-
-.speech-bubble:after {
-	content: '';
-	position: absolute;
-	top: 100%;
-	right: 30px;
-	border: 13px solid transparent;
-	border-top-color: rgba(0, 0, 0, .04);
-}
-
-.learn-bar > .learn {
-	position: absolute;
-	width: 272px;
-	top: 8px;
-	left: -300px;
-	padding: 10px;
-	border-radius: 5px;
-	background-color: rgba(255, 255, 255, .6);
-	-webkit-transition-property: left;
-	transition-property: left;
-	-webkit-transition-duration: 500ms;
-	transition-duration: 500ms;
-}
-
-@media (min-width: 899px) {
-	.learn-bar {
-		width: auto;
-		margin: 0 0 0 300px;
-	}
-
-	.learn-bar > .learn {
-		left: 8px;
+@media (max-width: 430px) {
+	.footer {
+		height: 50px;
 	}
 
-	.learn-bar #todoapp {
-		width: 550px;
-		margin: 130px auto 40px auto;
+	.filters {
+		bottom: 10px;
 	}
 }

examples/duel/src/main/webapp/css/styles.merge

-# todomvc base file
-/bower_components/todomvc-common/base.css
+# todomvc base files
+/css/base.css
+/css/index.css

examples/duel/src/main/webapp/js/lib/duel.js

 /*global window */
 
 /**
- * @license DUEL v0.8.2 http://duelengine.org
+ * @license DUEL v0.9.7 http://duelengine.org
  * Copyright (c)2006-2012 Stephen M. McKamey.
  * Licensed under The MIT License.
  */
+/*jshint smarttabs:true */
 
 /**
  * @public
@@ -105,26 +106,6 @@ var duel = (
 		return (val instanceof Array);
 	};
 
-	/**
-	 * Determines the type of the value
-	 *
-	 * @private
-	 * @param {*} val the object being tested
-	 * @return {number}
-	 */
-	function getType(val) {
-		switch (typeof val) {
-			case 'object':
-				return !val ? NUL : (isArray(val) ? ARY : ((val instanceof Markup) ? RAW : ((val instanceof Date) ? VAL : OBJ)));
-			case 'function':
-				return FUN;
-			case 'undefined':
-				return NUL;
-			default:
-				return VAL;
-		}
-	}
-
 	/**
 	 * Determines if the value is a string
 	 * 
@@ -148,135 +129,23 @@ var duel = (
 	}
 
 	/**
-	 * String buffer
-	 *
-	 * @private
-	 * @this {Buffer}
-	 * @constructor
-	 */
-	function Buffer() {
-		/**
-		 * @type {Array|string}
-		 * @private
-		 */
-		this.value = Buffer.FAST ? '' : [];
-	}
-
-	/**
-	 * Only IE<9 benefits from Array.join()
-	 *
-	 * @private
-	 * @constant
-	 * @type {boolean}
-	 */
-	Buffer.FAST = !(scriptEngine && scriptEngine() < 9);
-
-	/**
-	 * Appends to the internal value
-	 *
-	 * @public
-	 * @this {Buffer}
-	 * @param {null|string} v1
-	 * @param {null|string=} v2
-	 * @param {null|string=} v3
-	 */
-	Buffer.prototype.append = function(v1, v2, v3) {
-		if (Buffer.FAST) {
-			if (v1 !== null) {
-				this.value += v1;
-
-				if (v2 !== null && v2 !== undef) {
-					this.value += v2;
-
-					if (v3 !== null && v3 !== undef) {
-						this.value += v3;
-					}
-				}
-			}
-
-		} else {
-			this.value.push.apply(
-				// Closure Compiler type cast
-				/** @type{Array} */(this.value),
-				arguments);
-		}
-	};
-
-	/**
-	 * Clears the internal value
-	 *
-	 * @public
-	 * @this {Buffer}
-	 */
-	Buffer.prototype.clear = function() {
-		this.value = Buffer.FAST ? '' : [];
-	};
-
-	/**
-	 * Renders the value
-	 *
-	 * @public
-	 * @override
-	 * @this {Buffer}
-	 * @return {string} value
-	 */
-	Buffer.prototype.toString = function() {
-		return Buffer.FAST ?
-			// Closure Compiler type cast
-			/** @type{string} */(this.value) :
-			this.value.join('');
-	};
-
-	function digits(n) {
-        return (n < 10) ? '0'+n : n;
-    }
-
-	/**
-	 * Formats the value as a string
+	 * Determines the type of the value
 	 * 
 	 * @private
-	 * @param {*} val the object being rendered
-	 * @return {string|null}
+	 * @param {*} val the object being tested
+	 * @return {number}
 	 */
-	function asString(val) {
-		var buffer, needsDelim;
-		switch (getType(val)) {
-			case VAL:
-				return ''+val;
-			case NUL:
-				return '';
-			case ARY:
-				// flatten into simple list
-				buffer = new Buffer();
-				for (var i=0, length=val.length; i<length; i++) {
-					if (needsDelim) {
-						buffer.append(', ');
-					} else {
-						needsDelim = true;
-					}
-					buffer.append(asString(val[i]));
-				}
-				return buffer.toString();
-			case OBJ:
-				// format JSON-like
-				buffer = new Buffer();
-				buffer.append('{');
-				for (var key in val) {
-					if (val.hasOwnProperty(key)) {
-						if (needsDelim) {
-							buffer.append(', ');
-						} else {
-							needsDelim = true;
-						}
-						buffer.append(key, '=', asString(val[key]));
-					}
-				}
-				buffer.append('}');
-				return buffer.toString();
+	function getType(val) {
+		switch (typeof val) {
+			case 'object':
+				return !val ? NUL : (isArray(val) ? ARY : ((val instanceof Markup) ? RAW : ((val instanceof Date) ? VAL : OBJ)));
+			case 'function':
+				return FUN;
+			case 'undefined':
+				return NUL;
+			default:
+				return VAL;
 		}
-
-		// Closure Compiler type cast
-		return /** @type{string} */(val);
 	}
 
 	/**
@@ -402,6 +271,15 @@ var duel = (
 	 */
 	var NAME = 'name';
 
+	/**
+	 * Callback allowed to modify the bound node
+	 * 
+	 * @private
+	 * @param {Array} elem bound node
+	 * @return {Array}
+	 */
+	var bindFilter;
+
 	var bind;
 
 	/**
@@ -679,7 +557,7 @@ var duel = (
 
 		return (v && isFunction(v.getView)) ?
 			// Closure Compiler type cast
-			bind(v.getView(), d, /** @type {number} */i, /** @type {number} */c, /** @type {string} */k, p) : null;
+			bind(v.getView(), d, (/** @type {number} */i), (/** @type {number} */c), (/** @type {string} */k), p) : null;
 	}
 
 	/**
@@ -752,7 +630,7 @@ var duel = (
 				for (var i=1, length=node.length; i<length; i++) {
 					append(elem, bind(node[i], data, index, count, key, parts));
 				}
-				return elem;
+				return bindFilter ? bindFilter(elem) : elem;
 
 			case OBJ:
 				// attribute map
@@ -770,18 +648,75 @@ var duel = (
 		return node;
 	};
 
+	/**
+	 * Boolean attribute map (used by both render.js & dom.js)
+	 * 
+	 * @private
+	 * @constant
+	 * @type {Object.<number>}
+	 */
+	var ATTR_BOOL = {
+		'allowfullscreen': 1,
+		'async': 1,
+		'autofocus': 1,
+		'autoplay': 1,
+		'checked': 1,
+		'compact': 1,
+		'controls': 1,
+		'declare': 1,
+		'default': 1,
+		'defaultchecked': 1,
+		'defaultmuted': 1,
+		'defaultselected': 1,
+		'defer': 1,
+		'disabled': 1,
+		'draggable': 1,
+		'enabled': 1,
+		'formnovalidate': 1,
+		'hidden': 1,
+		'indeterminate': 1,
+		'inert': 1,
+		'ismap': 1,
+		'itemscope': 1,
+		'loop': 1,
+		'multiple': 1,
+		'muted': 1,
+		'nohref': 1,
+		'noresize': 1,
+		'noshade': 1,
+		'novalidate': 1,
+		'nowrap': 1,
+		'open': 1,
+		'pauseonexit': 1,
+		'readonly': 1,
+		'required': 1,
+		'reversed': 1,
+		'scoped': 1,
+		'seamless': 1,
+		'selected': 1,
+		'sortable': 1,
+		'spellcheck': 1,
+		'translate': 1,
+		'truespeed': 1,
+		'typemustmatch': 1,
+		'visible': 1
+
+		// update non-readonly attributes as spec changes
+		// curl -s "http://www.w3.org/TR/html51/single-page.html" | grep "attribute boolean" > boolean.txt
+	};
+
 	/* factory.js --------------------*/
 
 	/**
-	 * Renders an error as text
+	 * Renders an error directly as text
 	 * 
 	 * @private
 	 * @param {Error} ex The exception
-	 * @return {string}
+	 * @return {string|Result}
 	 */
-	function onError(ex) {
-		return '['+ex+']';
-	}
+	var onError = function(ex) {
+		return '[ '+ex+' ]';
+	};
 
 	/**
 	 * Wraps a view definition with binding method
@@ -816,9 +751,18 @@ var duel = (
 					isFinite(count) ? count : 1,
 					isString(key) ? key : null);
 				return new Result(result);
+
 			} catch (ex) {
 				// handle error with context
-				return new Result(onError(ex));
+				var errValue = onError(ex);
+
+				if (errValue instanceof Result) {
+					return errValue;
+
+				} else {
+					// render the error as a text node
+					return new Result(''+errValue);
+				}
 			}
 		};
 
@@ -845,6 +789,26 @@ var duel = (
 		return (isFunction(view) && isFunction(view.getView)) ? view : factory(view);
 	};
 
+	/**
+	 * @public
+	 * @param {string} value error callback
+	 */
+	duel.onerror = function(value) {
+		if (isFunction(value)) {
+			onError = value;
+		}
+	};
+
+	/**
+	 * @public
+	 * @param {string} value onbind filter callback
+	 */
+	duel.onbind = function(value) {
+		if (isFunction(value)) {
+			bindFilter = value;
+		}
+	};
+
 	/**
 	 * @public
 	 * @param {string} value Markup text
@@ -861,69 +825,132 @@ var duel = (
 	 *  
 	 * @private
 	 * @constant
-	 * @type {Object.<boolean>}
+	 * @type {Object.<number>}
 	 */
 	var VOID_TAGS = {
-		'area' : true,
-		'base' : true,
-		'basefont' : true,
-		'br' : true,
-		'col' : true,
-		'frame' : true,
-		'hr' : true,
-		'img' : true,
-		'input' : true,
-		'isindex' : true,
-		'keygen' : true,
-		'link' : true,
-		'meta' : true,
-		'param' : true,
-		'source' : true,
-		'wbr' : true
+		'area': 1,
+		'base': 1,
+		'basefont': 1,
+		'br': 1,
+		'col': 1,
+		'frame': 1,
+		'embed': 1,
+		'hr': 1,
+		'img': 1,
+		'input': 1,
+		'isindex': 1,
+		'keygen': 1,
+		'link': 1,
+		'menuitem': 1,
+		'meta': 1,
+		'param': 1,
+		'source': 1,
+		'track': 1,
+		'wbr': 1
+
+		// update elements as spec changes
+		// http://www.w3.org/TR/html51/single-page.html#void-elements
 	};
 
 	/**
-	 * Boolean attribute map
+	 * String buffer
+	 * 
+	 * @private
+	 * @this {Buffer}
+	 * @constructor
+	 */
+	function Buffer() {
+		/**
+		 * @type {Array|string}
+		 * @private
+		 */
+		this.value = Buffer.FAST ? '' : [];
+	}
+
+	/**
+	 * IE<9 benefits from Array.join() for large strings
 	 * 
 	 * @private
 	 * @constant
-	 * @type {Object.<number>}
+	 * @type {boolean}
 	 */
-	var ATTR_BOOL = {
-		'async': 1,
-		'checked': 1,
-		'defer': 1,
-		'disabled': 1,
-		'hidden': 1,
-		'novalidate': 1,
-		'formnovalidate': 1
-		// can add more attributes here as needed
+	Buffer.FAST = !(scriptEngine && scriptEngine() < 9);
+
+	/**
+	 * Appends to the internal value
+	 * 
+	 * @public
+	 * @this {Buffer}
+	 * @param {string} a
+	 * @param {string=} b
+	 * @param {string=} c
+	 */
+	Buffer.prototype.append = function(a, b, c) {
+		var args = arguments;
+
+		if (Buffer.FAST) {
+			var len = args.length;
+			if (len > 1) {
+				if (len > 2) {
+					b += c;
+				}
+				a += b;
+			}
+			this.value += a;
+
+		} else {
+			this.value.push.apply(
+				// Closure Compiler type cast
+				/** @type{Array} */(this.value),
+				args);
+		}
 	};
 
+	/**
+	 * Renders the value
+	 * 
+	 * @public
+	 * @override
+	 * @this {Buffer}
+	 * @return {string} value
+	 */
+	Buffer.prototype.toString = function() {
+		return Buffer.FAST ?
+			// Closure Compiler type cast
+			/** @type{string} */(this.value) :
+			this.value.join('');
+	};
+
+//	/**
+//	 * Resets the internal value
+//	 * 
+//	 * @public
+//	 * @this {Buffer}
+//	 */
+//	Buffer.prototype.clear = function() {
+//		this.value = Buffer.FAST ? '' : [];
+//	};
+
 	/**
 	 * Encodes invalid literal characters in strings
 	 * 
 	 * @private
 	 * @param {Array|Object|string|number} val The value
-	 * @return {Array|Object|string|number}
+	 * @return {string}
 	 */
 	function htmlEncode(val) {
 		if (!isString(val)) {
-			return val;
-		}
-
-		return val.replace(/[&<>]/g,
-			function(ch) {
-				switch(ch) {
-					case '&':
-						return '&amp;';
-					case '<':
-						return '&lt;';
-					case '>':
-						return '&gt;';
-					default:
-						return ch;
+			return (val !== null && val !== undef) ? ''+val : '';
 		}
+
+		var map = {
+			'&': '&amp;',
+			'<': '&lt;',
+			'>': '&gt;'
+		};
+
+		return val.replace(/[&<>]/g, function(ch) {
+			return map[ch] || ch;
 		});
 	}
 
@@ -932,27 +959,22 @@ var duel = (
 	 * 
 	 * @private
 	 * @param {Array|Object|string|number} val The value
-	 * @return {Array|Object|string|number}
+	 * @return {string}
 	 */
 	function attrEncode(val) {
 		if (!isString(val)) {
-			return val;
-		}
-
-		return val.replace(/[&<>"]/g,
-			function(ch) {
-				switch(ch) {
-					case '&':
-						return '&amp;';
-					case '<':
-						return '&lt;';
-					case '>':
-						return '&gt;';
-					case '"':
-						return '&quot;';
-					default:
-						return ch;
+			return (val !== null && val !== undef) ? ''+val : '';
 		}
+
+		var map = {
+			'&': '&amp;',
+			'<': '&lt;',
+			'>': '&gt;',
+			'"': '&quot;'
+		};
+
+		return val.replace(/[&<>"]/g, function(ch) {
+			return map[ch] || ch;
 		});
 	}
 
@@ -964,9 +986,10 @@ var duel = (
 	 * @param {Array} node The result tree
 	 */
 	function renderComment(buffer, node) {
-		if (node[0] === '!DOCTYPE') {
+		if (node[0].toLowerCase() === '!doctype') {
 			// emit doctype
-			buffer.append('<!DOCTYPE ', node[1], '>');
+			buffer.append('<!doctype ', node[1], '>');
+
 		} else {
 			// emit HTML comment
 			buffer.append('<!--', node[1], '-->');
@@ -1002,20 +1025,23 @@ var duel = (
 				for (var name in child) {
 					if (child.hasOwnProperty(name)) {
 						var val = child[name];
-						if (ATTR_BOOL[name]) {
+						if (ATTR_BOOL[name.toLowerCase()]) {
 							if (val) {
 								val = name;
+
 							} else {
 								// falsey boolean attributes must not be present
 								continue;
 							}
 						}
+						if (getType(val) === NUL) {
+							// null/undefined removes attributes
+							continue;
+						}
 
 						buffer.append(' ', name);
-						if (getType(val) !== NUL) {
 						// Closure Compiler type cast
-							buffer.append('="', /** @type{string} */(attrEncode(val)), '"');
-						}
+						buffer.append('="', attrEncode(val), '"');
 					}
 				}
 				i++;
@@ -1031,10 +1057,10 @@ var duel = (
 			child = node[i];
 			if (isArray(child)) {
 				renderElem(buffer, child);
+
 			} else {
 				// encode string literals
-				// Closure Compiler type cast
-				buffer.append(/** @type{string} */(htmlEncode(child)));
+				buffer.append(htmlEncode(child));
 			}
 		}
 
@@ -1042,6 +1068,8 @@ var duel = (
 			// emit close tag
 			buffer.append('</', tag, '>');
 		}
+
+		return buffer;
 	}
 
 	/**
@@ -1053,12 +1081,19 @@ var duel = (
 	 */
 	 function render(view) {
 		try {
-			var buffer = new Buffer();
-			renderElem(buffer, view);
-			return buffer.toString();
+			return renderElem(new Buffer(), view).toString();
+
 		} catch (ex) {
 			// handle error with context
-			return onError(ex);
+			var errValue = onError(ex);
+
+			if (errValue instanceof Result) {
+				return render(errValue.value);
+
+			} else {
+				// render the error as a string
+				return (''+errValue);
+			}
 		}
 	}
 
@@ -1111,17 +1146,40 @@ var duel = (
 	 * @type {Object.<string>}
 	 */
 	var ATTR_MAP = {
-		'rowspan': 'rowSpan',
-		'colspan': 'colSpan',
+		'allowfullscreen': 'allowFullscreen',
+		'accesskey': 'accessKey',
+		'bgcolor': 'bgColor',
 		'cellpadding': 'cellPadding',
 		'cellspacing': 'cellSpacing',
-		'tabindex': 'tabIndex',
-		'accesskey': 'accessKey',
+		'checked': 'defaultChecked',
+		'class': 'className',
+		'colspan': 'colSpan',
+		'contenteditable': 'contentEditable',
+		'defaultchecked': 'defaultChecked',
+		'defaultselected': 'defaultSelected',
+		'defaultmuted': 'defaultMuted',
+		'for': 'htmlFor',
+		'formnovalidate': 'formNoValidate',
 		'hidefocus': 'hideFocus',
-		'usemap': 'useMap',
+		'ismap': 'isMap',
+		'itemscope': 'itemScope',
 		'maxlength': 'maxLength',
+		'muted': 'defaultMuted',
+		'nohref': 'noHref',
+		'noresize': 'noResize',
+		'noshade': 'noShade',
+		'novalidate': 'noValidate',
+		'nowrap': 'noWrap',
+		'pauseonexit': 'pauseOnExit',
 		'readonly': 'readOnly',
-		'contenteditable': 'contentEditable'
+		'rowspan': 'rowSpan',
+		'selected': 'defaultSelected',
+		'spellcheck': 'spellCheck',
+		'tabindex': 'tabIndex',
+		'truespeed': 'trueSpeed',
+		'typemustmatch': 'typeMustMatch',
+		'usemap': 'useMap',
+		'willvalidate': 'willValidate'
 		// can add more attributes here as needed
 	};
 
@@ -1134,8 +1192,22 @@ var duel = (
 	 */
 	var ATTR_DUP = {
 		'enctype': 'encoding',
-		'onscroll': 'DOMMouseScroll',
-		'checked': 'defaultChecked'
+		'onscroll': 'DOMMouseScroll'
+		// can add more attributes here as needed
+	};
+
+	/**
+	 * Attributes to be set via DOM
+	 * 
+	 * @private
+	 * @constant
+	 * @type {Object.<number>}
+	 */
+	var ATTR_DOM = {
+		'autocapitalize': 1,
+		'autocomplete': 1,
+		'autocorrect': 1,
+		'type': 1
 		// can add more attributes here as needed
 	};
 
@@ -1255,28 +1327,50 @@ var duel = (
 	 * @param {function(Event)} handler The event handler
 	 */
 	function addHandler(elem, name, handler) {
+		if (name.substr(0,2) === 'on') {
+			name = name.substr(2);
+		}
+
 		switch (typeof handler) {
 			case 'function':
 				if (elem.addEventListener) {
 					// DOM Level 2
-					elem.addEventListener((name.substr(0,2) === 'on') ? name.substr(2) : name, handler, false);
+					elem.addEventListener(name, handler, false);
+
+				} else if (isFunction(window.jQuery) && getType(elem[name]) !== NUL) {
+					// cop out and patch IE6-8 with jQuery
+					var $elem = window.jQuery(elem);
+					if (isFunction($elem.on)) {
+						$elem.on(name, handler);	// v1.7+
+					} else {
+						$elem.bind(name, handler);	// pre-1.7
+					}
+
+				} else if (elem.attachEvent && getType(elem[name]) !== NUL) {
+					// IE legacy events
+					elem.attachEvent('on'+name, handler);
+
 				} else {
 					// DOM Level 0
-					elem[name] = handler;
+					var old = elem['on'+name] || elem[name];
+					elem['on'+name] = elem[name] = !isFunction(old) ? handler :
+						function(e) {
+							return (old.call(this, e) !== false) && (handler.call(this, e) !== false);
+						};
 				}
 				break;
 
 			case 'string':
 				// inline functions are DOM Level 0
 				/*jslint evil:true */
-				elem[name] = new Function('event', handler);
+				elem['on'+name] = new Function('event', handler);
 				/*jslint evil:false */
 				break;
 		}
 	}
 
 	/**
-	 * Appends a child to an element
+	 * Appends an attribute to an element
 	 * 
 	 * @private
 	 * @param {Node} elem The element
@@ -1304,52 +1398,70 @@ var duel = (
 
 				if (name) {
 					if (type === NUL) {
-						value = '';
-						type = VAL;
+						// null/undefined removes attributes
+						continue;
 					}
 
 					name = ATTR_MAP[name.toLowerCase()] || name;
-					if (ATTR_BOOL[name]) {
-						elem[name] = !!value;
-
-						// also set duplicated attributes
-						if (ATTR_DUP[name]) {
-							elem[ATTR_DUP[name]] = !!value;
-						}
 
-					} else if (name === 'style') {
-						if (typeof elem.style.cssText !== 'undefined') {
+					if (name === 'style') {
+						if (getType(elem.style.cssText) !== NUL) {
 							elem.style.cssText = value;
 						} else {
 							elem.style = value;
 						}
 
-					} else if (name === 'class') {
-						elem.className = value;
-
 					} else if (name.substr(0,2) === 'on') {
 						addHandler(elem, name, value);
 
 						// also set duplicated events
-						if (ATTR_DUP[name]) {
-							addHandler(elem, ATTR_DUP[name], value);
+						name = ATTR_DUP[name];
+						if (name) {
+							addHandler(elem, name, value);
 						}
 
-					} else if (type === VAL && name.charAt(0) !== '$') {
-						elem.setAttribute(name, value);
+					} else if (!ATTR_DOM[name.toLowerCase()] && (type !== VAL || name.charAt(0) === '$' || getType(elem[name]) !== NUL || getType(elem[ATTR_DUP[name]]) !== NUL)) {
+						// direct setting of existing properties
+						try {
+							elem[name] = value;
+
+							// also set duplicated properties
+							name = ATTR_DUP[name];
+							if (name) {
+								elem[name] = value;
+							}
+
+						} catch(ex2) {
+							if (name.toLowerCase() === 'type' && elem.tagName.toLowerCase() === 'input') {
+								// IE9 doesn't like HTML5 input types
+								continue;
+							}
+
+							throw new Error('DOM property '+elem.tagName+'.'+name+': '+ex2);
+						}
+
+					} else if (ATTR_BOOL[name.toLowerCase()]) {
+						if (value) {
+							// boolean attributes
+							elem.setAttribute(name, name);
 
 							// also set duplicated attributes
-						if (ATTR_DUP[name]) {
-							elem.setAttribute(ATTR_DUP[name], value);
+							name = ATTR_DUP[name];
+							if (name) {
+								elem.setAttribute(name, name);
+							}
 						}
 
 					} else {
-						// allow direct setting of complex properties
-						elem[name] = value;
+						// http://www.quirksmode.org/dom/w3c_core.html#attributes
+
+						// custom and 'data-*' attributes
+						elem.setAttribute(name, value);
 
 						// also set duplicated attributes
-						if (ATTR_DUP[name]) {
-							elem[ATTR_DUP[name]] = value;
+						name = ATTR_DUP[name];
+						if (name) {
+							elem.setAttribute(name, value);
 						}
 					}
 				}
@@ -1445,8 +1557,11 @@ var duel = (
 			try {
 				delete elem[key];
 			} catch (ex) {
-				// sometimes IE doesn't like deleting from DOM
-				elem[key] = undef;
+				try {
+					// IE7 doesn't like deleting from DOM
+					elem[key] = '';
+					elem.removeAttribute(key);
+				} catch (ex2) {}
 			}
 
 			if (!isFunction(method)) {
@@ -1454,7 +1569,7 @@ var duel = (
 					/*jslint evil:true */
 					method = new Function(''+method);
 					/*jslint evil:false */
-				} catch (ex2) {
+				} catch (ex3) {
 					// filter
 					method = null;
 				}
@@ -1559,17 +1674,6 @@ var duel = (
 		return elem;
 	}
 
-	/**
-	 * Renders an error as a text node
-	 *
-	 * @private
-	 * @param {Error} ex The exception
-	 * @return {Node}
-	 */
-	function onErrorDOM(ex) {
-		return document.createTextNode(onError(ex));
-	}
-
 	/**
 	 * Returns result as DOM objects
 	 * 
@@ -1582,9 +1686,14 @@ var duel = (
 	Result.prototype.toDOM = function(elem, merge) {
 		// resolve the element ID
 		if (getType(elem) === VAL) {
+			// try as id, then as query selector
 			elem = document.getElementById(
 				// Closure Compiler type cast
-				/** @type{string} */(elem));
+				/** @type{string} */(elem)) || (('querySelector' in document) ?
+				document.querySelector(
+					// Closure Compiler type cast
+					/** @type{string} */(elem)) :
+				null);
 		}
 
 		var view;
@@ -1598,7 +1707,15 @@ var duel = (
 
 		} catch (ex) {
 			// handle error with context
-			view = onErrorDOM(ex);
+			var errValue = onError(ex);
+
+			if (errValue instanceof Result) {
+				return errValue.toDOM(elem || view);
+
+			} else {
+				// render the error as a text node
+				view = document.createTextNode(''+errValue);
+			}
 		}
 
 		if (elem && elem.parentNode) {
@@ -1643,7 +1760,7 @@ var duel = (
 		} catch (ex) {
 			/*jslint evil:true*/
 			doc = doc.open('text/html');
-			doc.write(this.toString());
+			doc.write(''+this);
 			doc.close();
 			/*jslint evil:false*/
 		}

examples/duel/src/main/webapp/bower_components/todomvc-common/base.js → examples/duel/src/main/webapp/js/lib/todos.js

+/* global _ */
 (function () {
 	'use strict';
 
+	/* jshint ignore:start */
 	// Underscore's Template Module
 	// Courtesy of underscorejs.org
 	var _ = (function (_) {
@@ -112,8 +114,14 @@
 	})({});
 
 	if (location.hostname === 'todomvc.com') {
-		window._gaq = [['_setAccount','UA-31081062-1'],['_trackPageview']];(function(d,t){var g=d.createElement(t),s=d.getElementsByTagName(t)[0];g.src='//www.google-analytics.com/ga.js';s.parentNode.insertBefore(g,s)}(document,'script'));
+		(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+		(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+		m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+		})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+		ga('create', 'UA-31081062-1', 'auto');
+		ga('send', 'pageview');
 	}
+	/* jshint ignore:end */
 
 	function redirect() {
 		if (location.hostname === 'tastejs.github.io') {
@@ -175,13 +183,17 @@
 
 		if (learnJSON.backend) {
 			this.frameworkJSON = learnJSON.backend;
+			this.frameworkJSON.issueLabel = framework;
 			this.append({
 				backend: true
 			});
 		} else if (learnJSON[framework]) {
 			this.frameworkJSON = learnJSON[framework];
+			this.frameworkJSON.issueLabel = framework;
 			this.append();
 		}
+
+		this.fetchIssueCount();
 	}
 
 	Learn.prototype.append = function (opts) {
@@ -212,6 +224,26 @@
 		document.body.insertAdjacentHTML('afterBegin', aside.outerHTML);
 	};
 
+	Learn.prototype.fetchIssueCount = function () {
+		var issueLink = document.getElementById('issue-count-link');
+		if (issueLink) {
+			var url = issueLink.href.replace('https://github.com', 'https://api.github.com/repos');
+			var xhr = new XMLHttpRequest();
+			xhr.open('GET', url, true);
+			xhr.onload = function (e) {
+				var parsedResponse = JSON.parse(e.target.responseText);
+				if (parsedResponse instanceof Array) {
+					var count = parsedResponse.length;
+					if (count !== 0) {
+						issueLink.innerHTML = 'This app has ' + count + ' open issues';
+						document.getElementById('issue-count').style.display = 'inline';
+					}
+				}
+			};
+			xhr.send();
+		}
+	};
+
 	redirect();
 	getFile('learn.json', Learn);
 })();

examples/duel/src/main/webapp/js/scripts.merge

 # todomvc base file
-/bower_components/todomvc-common/base.js
+#/js/lib/todos.js
 
 # libraries
 /js/lib/duel.js
 
-# model
-/js/todos/model.js
-
-# views
+# compiled views
 /js/todos/views/Stats.js
 /js/todos/views/Task.js
 /js/todos/views/Tasks.js
 /js/todos/views/TodoApp.js
 
+# model
+/js/todos/model.js
+
 # controller
 /js/todos/controller.js

examples/duel/src/main/webapp/js/todos/controller.js

@@ -8,52 +8,36 @@ var todos = todos || {};
 
 	/*-- private members -------------------------------*/
 
+	var ESC_KEY = 27;
 	var ENTER_KEY = 13;
-	var STATS_ID = 'footer';
-	var TODOAPP_ID = 'todoapp';
-	var TASKS_ID = 'main';
-	var LIST_ID = 'todo-list';
-	var EDITING_CSS = 'editing';
-
-	function getById(id) {
-		return document.getElementById(id);
-	}
-
-	function refreshStats(stats) {
-		// get the data
-		var data = stats || todos.model.stats();
 
-		// build the view
-		var view = todos.views.Stats(data).toDOM();
+	// Poor man's routing.
+	addEventListener('hashchange', refreshView, false);
 
-		// replace old stats
-		var old = getById(STATS_ID);
-		if (old) {
-			old.parentNode.replaceChild(view, old);
-		} else {
-			getById(TODOAPP_ID).appendChild(view);
+	function curFilter() {
+		return document.location.hash.substr(2);
 	}
+
+	function find(selector, scope) {
+		return (scope || document).querySelector(selector);
 	}
 
-	function refreshAll() {
+	function refreshView() {
 		// get the data
-		var data = {
-			tasks: todos.model.tasks(),
-			stats: todos.model.stats()
-		};
+		var data = todos.model.viewData(curFilter());
 
 		// build the view
-		var view = todos.views.Tasks(data).toDOM();
+		var view = todos.views.TodoApp(data).toDOM();
 
-		// replace old task list
-		var old = getById(TASKS_ID);
+		var old = find('.todoapp');
 		if (old) {
+			// replace old task list
 			old.parentNode.replaceChild(view, old);
 		} else {
-			getById(TODOAPP_ID).appendChild(view);
+			// insert at top
+			document.body.insertBefore(view, document.body.firstChild);
 		}
-
-		refreshStats(data.stats);
+		find('.new-todo').focus();
 	}
 
 	function add(input) {
@@ -64,16 +48,8 @@ var todos = todos || {};
 			return;
 		}
 
-		var task = todos.model.add(title);
-
-		var list = getById(LIST_ID);
-		if (list) {
-			// add new at the top
-			list.appendChild(todos.views.Task(task).toDOM());
-			refreshStats();
-		} else {
-			refreshAll();
-		}
+		todos.model.add(title);
+		refreshView();
 	}
 
 	function edit(input, id) {
@@ -85,99 +61,91 @@ var todos = todos || {};
 		} else {
 			todos.model.remove(id);
 		}
-		refreshAll();
+		refreshView();
+	}
+
+	function reset(input, id) {
+		var task = todos.model.find(id);
+		if (task) {
+			input.value = task.title;
+		}
 	}
 
 	/*-- export public interface -------------------------------*/
 
 	// event handlers
 	todos.actions = {
-		addBlur: function () {
-			add(this);
-		},
-
-		add_keypress: function (e) {
+		addOnKeydown: function (e) {
 			if (e.keyCode === ENTER_KEY) {
 				add(this);
+			} else if (e.keyCode === ESC_KEY) {
+				refreshView();
 			}
 		},
 
-		edit_blur: function (id) {
+		editOnBlur: function (id) {
 			// create a closure around the ID
 			return function () {
 				edit(this, id);
 			};
 		},
 
-		edit_keypress: function () {
+		editOnKeydown: function (id) {
 			// create a closure around the ID
 			return function (e) {
 				if (e.keyCode === ENTER_KEY) {
 					// just blur so doesn't get triggered twice
 					this.blur();
+				} else if (e.keyCode === ESC_KEY) {
+					reset(this, id);
+					this.blur();
 				}
 			};
 		},
 
-		remove_click: function (id) {
+		removeOnClick: function (id) {
 			// create a closure around the ID
 			return function () {
 				todos.model.remove(id);
-				refreshAll();
+				refreshView();
 			};
 		},
 
-		clear_click: function () {
+		clearOnClick: function () {
 			todos.model.expunge();
-			refreshAll();
+			refreshView();
 		},
 
-		content_dblclick: function () {
-			// create a closure around the ID
-			var toggleEditingMode = function (li) {
-				if (li.tagName !== 'LI') {
-					return toggleEditingMode(li.parentNode);
+		editOnDblclick: function () {
+			var self = this;
+			while (self.tagName !== 'LI') {
+				self = self.parentNode;
 			}
 
-				li.className = EDITING_CSS;
+			self.className = 'editing';
 
-				var input = li.getElementsByTagName('input')[1];
+			var input = find('input[type=text]', self);
+			if (input) {
 				input.focus();
-				input.value = input.value;
-			};
-
-			return function () {
-				toggleEditingMode(this);
-			};
+			}
 		},
 
-		completed_change: function (id) {
+		completedOnChange: function (id) {
 			// create a closure around the ID
 			return function () {
-				var checkbox = this;
-				todos.model.toggle(id, checkbox.checked);
-				refreshAll();
+				todos.model.toggle(id, this.checked);
+				refreshView();
 			};
 		},
 
-		toggle_change: function () {
-			var checkbox = this;
-			todos.model.toggleAll(checkbox.checked);
-			refreshAll();
+		toggleOnChange: function () {
+			todos.model.toggleAll(this.checked);
+			refreshView();
 		}
 	};
 
 	/*-- init task list -------------------------------*/
 
-	(function (body) {
-		// build out task list
-		var view = todos.views.TodoApp({
-			tasks: todos.model.tasks(),
-			stats: todos.model.stats()
-		}).toDOM();
-
-		// insert at top
-		body.insertBefore(view, body.firstChild);
-	})(document.body);
+	refreshView();
 
 })(todos, window.document);

examples/duel/src/main/webapp/js/todos/model.js

@@ -32,6 +32,12 @@ var todos = todos || {};
 		};
 	}
 
+	function find(id) {
+		return tasks.filter(function (task) {
+			return task.id === id;
+		})[0];
+	}
+
 	function save() {
 		// if doesn't support JSON then will be directly stored in polyfill
 		var value = typeof JSON !== 'undefined' ? JSON.stringify(tasks) : tasks;
@@ -47,25 +53,40 @@ var todos = todos || {};
 		tasks = [];
 	}
 
-	/*-- export public interface -------------------------------*/
-
-	todos.model = {
-		tasks: function () {
+	function filterTasks(filter) {
+		if (filter === 'completed' || filter === 'active') {
+			var completed = filter === 'completed';
+			return tasks.filter(function (task) {
+				return task.completed === completed;
+			});
+		}
 		return tasks;
-		},
-
-		stats: function () {
-			var stats = {};
+	}
 
-			stats.total = tasks.length;
+	function calcStats(filter) {
+		var stats = {
+			total: tasks.length,
 
-			stats.completed = tasks.filter(function (task) {
+			completed: tasks.filter(function (task) {
 					return task.completed;
-			}).length;
+				}).length,
+
+			filter: filter || ''
+		};
 
 		stats.active = stats.total - stats.completed;
 
 		return stats;
+	}
+
+	/*-- export public interface -------------------------------*/
+
+	todos.model = {
+		viewData: function (filter) {
+			return {
+				tasks: filterTasks(filter),
+				stats: calcStats(filter)
+			};
 		},
 
 		add: function (title) {
@@ -77,19 +98,17 @@ var todos = todos || {};
 			return task;
 		},
 
+		find: find,
+
 		edit: function (id, title) {
-			tasks.filter(function (task) {
-				return task.id === id;
-			})[0].title = title;
+			(find(id) || {}).title = title;
 
 			save();
 		},
 
 		// toggle completion of task
 		toggle: function (id, completed) {
-			tasks.filter(function (task) {
-				return task.id === id;
-			})[0].completed = completed;
+			(find(id) || {}).completed = completed;
 
 			save();
 		},
@@ -104,21 +123,23 @@ var todos = todos || {};
 		},
 
 		remove: function (id) {
-			tasks.forEach(function (task, index) {
-				if (task.id === id) {
-					tasks.splice(index, 1);
+			// traverse in reverse for removals
+			for (var i = tasks.length - 1; i >= 0; i--) {
+				if (tasks[i].id === id) {
+					tasks.splice(i, 1);
+				}
 			}
-			});
 
 			save();
 		},
 
 		expunge: function () {
-			tasks.forEach(function (task, index) {
-				if (task.completed) {
-					tasks.splice(index, 1);
+			// traverse in reverse for removals
+			for (var i = tasks.length - 1; i >= 0; i--) {
+				if (tasks[i].completed) {
+					tasks.splice(i, 1);
+				}
 			}
-			});
 
 			save();
 		}

examples/duel/staticapp.json

 {
 	"targetDir": "www/",
 	"sourceDir": "target/todomvc/",
-	"serverPrefix" : "com.example.todos.views",
+	"serverPrefix" : "com.todomvc.duel.views",
 	"cdnMap": "cdn",
 	"cdnLinksMap": "cdnLinks",
 	"cdnHost": "./",

examples/duel/www/cdn/3aba0c24fc2dfb2ef530691bf611672891b75c6d.js

+/*
+ DUEL v0.9.7 http://duelengine.org
+ Copyright (c)2006-2012 Stephen M. McKamey.
+ Licensed under The MIT License.
+*/
+var duel=function(m,C,D){function y(a){this.value=a}function l(a){return"function"===typeof a}function k(a){switch(typeof a){case "object":return!a?0:z(a)?2:a instanceof y?5:a instanceof Date?4:3;case "function":return 1;case "undefined":return 0;default:return 4}}function p(a){z(a)||(a=["",a]);this.value=a}function r(a,b){switch(k(b)){case 2:if(""===b[0])for(var d=1,f=b.length;d<f;d++)r(a,b[d]);else a.push(b);break;case 3:if(1===a.length)a.push(b);else if(d=a[1],3===k(d))for(f in b)b.hasOwnProperty(f)&&
+(d[f]=b[f]);else a.splice(1,0,b);break;case 4:""!==b&&(b=""+b,d=a.length-1,0<d&&4===k(a[d])?a[d]+=b:a.push(b));break;case 0:break;default:a.push(b)}}function s(a,b,d,f,c,e){var g=3===k(a[1]);if(a.length===(g?3:2))return n(a[a.length-1],b,d,f,c,e);for(var h=[""],g=g?2:1,j=a.length;g<j;g++)r(h,n(a[g],b,d,f,c,e));return h}function E(a,b,d,f,c,e){for(var g=1,h=a.length;g<h;g++){var j=a[g],i=j[1].test;if(3===k(j[1])&&i&&(l(i)&&(i=i(b,d,f,c)),!i))continue;return s(j,b,d,f,c,e)}return null}function q(){this.value=
+q.FAST?"":[]}function O(a){if("string"!==typeof a)return null!==a&&a!==D?""+a:"";var b={"&":"&amp;","<":"&lt;",">":"&gt;"};return a.replace(/[&<>]/g,function(a){return b[a]||a})}function P(a){if("string"!==typeof a)return null!==a&&a!==D?""+a:"";var b={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;"};return a.replace(/[&<>"]/g,function(a){return b[a]||a})}function F(a,b){var d=b[0]||"",f=b.length,c=1,e,g=Q[d];if("!"===d.charAt(0))"!doctype"===b[0].toLowerCase()?a.append("<!doctype ",b[1],">"):a.append("<\!--",
+b[1],"--\>");else{if(d){a.append("<",d);e=b[c];if(3===k(e)){for(var h in e)if(e.hasOwnProperty(h)){var j=e[h];if(G[h.toLowerCase()])if(j)j=h;else continue;0!==k(j)&&(a.append(" ",h),a.append('="',P(j),'"'))}c++}g&&a.append(" /");a.append(">")}for(;c<f;c++)e=b[c],z(e)?F(a,e):a.append(O(e));d&&!g&&a.append("</",d,">");return a}}function H(a){try{return F(new q,a).toString()}catch(b){return a=v(b),a instanceof p?H(a.value):""+a}}function t(a){if(a){if("!"===a.charAt(0))return m.createComment("!"===a?
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+f.appendChild(b)}else!1!==a.canHaveChildren&&a.appendChild(b);else{if(11===b.nodeType)for(;b.firstChild;)w(a,b.removeChild(b.firstChild))}else if("style"===d&&m.createStyleSheet)a.cssText=b;else if(!1!==a.canHaveChildren)a.appendChild(b);else if("object"===d&&b.tagName&&"param"===b.tagName.toLowerCase()){try{a.appendChild(b)}catch(c){}try{a.object&&(a.object[b.name]=b.value)}catch(e){}}}}function I(a,b,d){"on"===b.substr(0,2)&&(b=b.substr(2));switch(typeof d){case "function":if(a.addEventListener)a.addEventListener(b,
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+function A(a){if(a){for(;J(a.firstChild);)a.removeChild(a.firstChild);for(K(a.firstChild,R);J(a.lastChild);)a.removeChild(a.lastChild);K(a.lastChild,S)}}function L(a,b){var d=a[b];if(d){try{delete a[b]}catch(f){try{a[b]="",a.removeAttribute(b)}catch(c){}}if(!l(d))try{d=new Function(""+d)}catch(e){d=null}}return d}function M(a){if(a){var b=L(a,"$init");b&&b.call(a);(b=L(a,"$load"))?setTimeout(function(){b.call(a);b=a=null},0):b=a=null}}function N(a,b){for(var d=1,f=b.length;d<f;d++){var c=b[d];switch(k(c)){case 2:var e=
+c[0],c=N(t(e),c);if("html"===e)return A(c),M(c),c;w(a,c);break;case 4:""!==c&&w(a,m.createTextNode(""+c));break;case 3:if(1===a.nodeType){var e=a,g=c;if(g.name&&m.attachEvent&&!e.parentNode)try{var h=t("<"+e.tagName+' name="'+g.name+'">');e.tagName===h.tagName&&(e=h)}catch(j){}c=void 0;for(c in g)if(g.hasOwnProperty(c)){var i=g[c],l=k(i);if(c&&0!==l)if(c=T[c.toLowerCase()]||c,"style"===c)0!==k(e.style.cssText)?e.style.cssText=i:e.style=i;else if("on"===c.substr(0,2))I(e,c,i),(c=u[c])&&I(e,c,i);else if(!U[c.toLowerCase()]&&
+(4!==l||"$"===c.charAt(0)||0!==k(e[c])||0!==k(e[u[c]])))try{e[c]=i,(c=u[c])&&(e[c]=i)}catch(n){if(!("type"===c.toLowerCase()&&"input"===e.tagName.toLowerCase()))throw Error("DOM property "+e.tagName+"."+c+": "+n);}else G[c.toLowerCase()]?i&&(e.setAttribute(c,c),(c=u[c])&&e.setAttribute(c,c)):(e.setAttribute(c,i),(c=u[c])&&e.setAttribute(c,i))}a=e}break;case 5:e=w;g=a;i=c;c=t("div");c.innerHTML=""+i;A(c);if(1===c.childNodes.length)c=c.firstChild;else{for(i=t("");c.firstChild;)i.appendChild(c.firstChild);
+c=i}e(g,c)}}A(a);M(a);11===a.nodeType&&1===a.childNodes.length&&(a=a.firstChild);return a}y.prototype.toString=function(){return this.value};var z=Array.isArray||function(a){return a instanceof Array},B,n;n=function(a,b,d,f,c,e){switch(k(a)){case 1:return a(b,d,f,c);case 2:var g=a[0]||"";switch(g){case "$for":a:{var h=a[1]||{},g=[""],j;if(h.hasOwnProperty("count")){j=h.count;l(j)&&(j=j(b,d,f,c));h.hasOwnProperty("data")?(h=h.data,l(h)&&(h=h(b,d,f,c))):h=b;for(b=0;b<j;b++)r(g,s(a,h,b,j,null,e))}else{if(h.hasOwnProperty("in")){var i=
+h["in"];l(i)&&(i=i(b,d,f,c));if(3===k(i)){h=[];for(j in i)i.hasOwnProperty(j)&&h.push(j);b=0;for(j=h.length;b<j;b++)r(g,s(a,i[h[b]],b,j,h[b],e));a=g;break a}h=i}else h=h.each,l(h)&&(h=h(b,d,f,c));b=k(h);if(2===b){b=0;for(j=h.length;b<j;b++)r(g,s(a,h[b],b,j,null,e))}else 0!==b&&(g=s(a,h,0,1,null,e))}a=g}return a;case "$xor":return E(a,b,d,f,c,e);case "$if":return E(["$xor",a],b,d,f,c,e);case "$call":e=a[1]||{};if(e.view){g=n(e.view,b,d,f,c);h=e.hasOwnProperty("data")?n(e.data,b,d,f,c):b;j=e.hasOwnProperty("index")?
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+var G={allowfullscreen:1,async:1,autofocus:1,autoplay:1,checked:1,compact:1,controls:1,declare:1,"default":1,defaultchecked:1,defaultmuted:1,defaultselected:1,defer:1,disabled:1,draggable:1,enabled:1,formnovalidate:1,hidden:1,indeterminate:1,inert:1,ismap:1,itemscope:1,loop:1,multiple:1,muted:1,nohref:1,noresize:1,noshade:1,novalidate:1,nowrap:1,open:1,pauseonexit:1,readonly:1,required:1,reversed:1,scoped:1,seamless:1,selected:1,sortable:1,spellcheck:1,translate:1,truespeed:1,typemustmatch:1,visible:1},
+v=function(a){return"[ "+a+" ]"},x=function(a){if(!l(a)||!l(a.getView)){var b=a;2!==k(b)&&(b=["",b]);a=function(a,f,c,e){try{var g=n(b,a,isFinite(f)?f:0,isFinite(c)?c:1,"string"===typeof e?e:null);return new p(g)}catch(h){return a=v(h),a instanceof p?a:new p(""+a)}};a.getView=function(){return b}}return a};x.onerror=function(a){l(a)&&(v=a)};x.onbind=function(a){l(a)&&(B=a)};x.raw=function(a){return new y(a)};var Q={area:1,base:1,basefont:1,br:1,col:1,frame:1,embed:1,hr:1,img:1,input:1,isindex:1,keygen:1,
+link:1,menuitem:1,meta:1,param:1,source:1,track:1,wbr:1};q.FAST=!(C&&9>C());q.prototype.append=function(a,b,d){var f=arguments;q.FAST?(f=f.length,1<f&&(2<f&&(b+=d),a+=b),this.value+=a):this.value.push.apply(this.value,f)};q.prototype.toString=function(){return q.FAST?this.value:this.value.join("")};p.prototype.toString=function(){return H(this.value)};p.prototype.write=function(a){(a||m).write(""+this)};var T={allowfullscreen:"allowFullscreen",accesskey:"accessKey",bgcolor:"bgColor",cellpadding:"cellPadding",
+cellspacing:"cellSpacing",checked:"defaultChecked","class":"className",colspan:"colSpan",contenteditable:"contentEditable",defaultchecked:"defaultChecked",defaultselected:"defaultSelected",defaultmuted:"defaultMuted","for":"htmlFor",formnovalidate:"formNoValidate",hidefocus:"hideFocus",ismap:"isMap",itemscope:"itemScope",maxlength:"maxLength",muted:"defaultMuted",nohref:"noHref",noresize:"noResize",noshade:"noShade",novalidate:"noValidate",nowrap:"noWrap",pauseonexit:"pauseOnExit",readonly:"readOnly",
+rowspan:"rowSpan",selected:"defaultSelected",spellcheck:"spellCheck",tabindex:"tabIndex",truespeed:"trueSpeed",typemustmatch:"typeMustMatch",usemap:"useMap",willvalidate:"willValidate"},u={enctype:"encoding",onscroll:"DOMMouseScroll"},U={autocapitalize:1,autocomplete:1,autocorrect:1,type:1},R=/^[\r\n]+/,S=/[\r\n]+$/;p.prototype.toDOM=function(a,b){4===k(a)&&(a=m.getElementById(a)||("querySelector"in m?m.querySelector(a):null));var d;try{b&&(d=a,a=null),d=N(d||t(this.value[0]),this.value)}catch(f){var c=
+v(f);if(c instanceof p)return c.toDOM(a||d);d=m.createTextNode(""+c)}a&&a.parentNode&&a.parentNode.replaceChild(d,a);return d};p.prototype.reload=function(){var a=m;try{var b=this.toDOM();a.replaceChild(b,a.documentElement);if(a.createStyleSheet){for(var d=b.firstChild;d&&"HEAD"!==(d.tagName||"");)d=d.nextSibling;for(var f=d&&d.firstChild;f;){if("LINK"===(f.tagName||""))f.href=f.href;f=f.nextSibling}}}catch(c){a=a.open("text/html"),a.write(""+this),a.close()}};return x}(document,window.ScriptEngineMajorVersion);var todos=todos||{};todos.views=todos.views||{};
+todos.views.Stats=duel([""," ",["$if",{test:function(a){return a.total}},["footer",{"class":"footer"}," ",["span",{"class":"todo-count"},["strong",function(a){return a.active}]," ",function(a){return 1===a.active?"item":"items"}," left"]," ",["ul",{"class":"filters"}," ",["li"," ",["a",{href:"#/","class":function(a){return!a.filter?"selected":null}},"All"]," "]," ",["li"," ",["a",{href:"#/active","class":function(a){return"active"===a.filter?"selected":null}},"Active"]," "]," ",["li"," ",["a",{href:"#/completed",
+"class":function(a){return"completed"===a.filter?"selected":null}},"Completed"]," "]," "]," "," ",["$if",{test:function(a){return a.completed}},["button",{"class":"clear-completed",onclick:function(){return todos.actions.clearOnClick}},"Clear completed"]]]]]);var todos=todos||{};todos.views=todos.views||{};
+todos.views.Task=duel([""," ",["li",{"class":function(a){return a.completed?"completed":""}}," ",["div",{"class":"view"}," ",["input",{"class":"toggle",type:"checkbox",checked:function(a){return a.completed},onchange:function(a){return todos.actions.completedOnChange(a.id)}}]," ",["label",{ondblclick:function(){return todos.actions.editOnDblclick}},function(a){return a.title}]," ",["button",{"class":"destroy",onclick:function(a){return todos.actions.removeOnClick(a.id)}}]," "]," ",["input",{"class":"edit",
+type:"text",value:function(a){return a.title},onblur:function(a){return todos.actions.editOnBlur(a.id)},onkeydown:function(a){return todos.actions.editOnKeydown(a.id)}}]]]);var todos=todos||{};todos.views=todos.views||{};
+todos.views.Tasks=duel([""," ",["$if",{test:function(a){return a.tasks&&a.tasks.length}},["section",{"class":"main"}," ",["input",{"class":"toggle-all",type:"checkbox",checked:function(a){return!a.stats.active},onchange:function(){return todos.actions.toggleOnChange}}]," ",["label",{"for":"toggle-all"},"Mark all as complete"]," ",["ul",{"class":"todo-list"}," ",["$for",{each:function(a){return a.tasks}}," ",["$call",{view:function(){return todos.views.Task}}]]," "]]]]);var todos=todos||{};todos.views=todos.views||{};todos.views.TodoApp=duel(["section",{"class":"todoapp"}," ",["header",{"class":"header"}," ",["h1","todos"]," ",["input",{"class":"new-todo",placeholder:"What needs to be done?",autofocus:!0,onblur:function(){return todos.actions.add_blur},onkeydown:function(){return todos.actions.addOnKeydown}}]," "]," ",["$call",{view:function(){return todos.views.Tasks},data:function(a){return a}}]," ",["$call",{view:function(){return todos.views.Stats},data:function(a){return a.stats}}]]);var todos=todos||{};
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examples/duel/www/cdn/bada2673af7edc043a573c3e20ac2d8ce9d10037.css

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\ No newline at end of file

examples/duel/www/index.html

-<!DOCTYPE html>
-<html lang="en" data-framework="duel">
+<!doctype html>
+<html lang="en">
 <head>
-	<meta charset="utf-8" />
-	<title>DUEL &#x2022; TodoMVC</title>
-	<link rel="stylesheet" href="./cdn/bada2673af7edc043a573c3e20ac2d8ce9d10037.css" />
+	<meta charset="utf-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+	<title>DUEL &bull; TodoMVC</title>
+	<link rel="stylesheet" href="./cdn/b12c1274056c76efb21a375280fdd622eb22b845.css">
 </head>
 <body>
-	<footer id="info">
+	<footer class="info">
 		<p>Double-click to edit a todo</p>
 		<p>Ported to <a href="http://duelengine.org">DUEL</a> by <a href="http://mck.me">Stephen McKamey</a></p>
 		<p>Part of <a href="http://todomvc.com">TodoMVC</a></p>
 	</footer>
-	<script src="./cdn/d10574a720ccdf2d2c810f0c45afb5f159264a1f.js"></script>
+	<script src="./cdn/3aba0c24fc2dfb2ef530691bf611672891b75c6d.js"></script>
 
 </body>
 </html>
\ No newline at end of file