Linkify urls in chat

client/index.html

@@ -100,7 +100,7 @@
 			<div class="message {{type}}">
 				<span class="time">{{time}}</span>
 				<a href="{{user}}" class="user">{{mode}}{{user}}</a>
-				<span class="text">{{type}} {{text}}</span>
+				<span class="text">{{type}} {{{autoLink text}}}</span>
 			</div>
 			{{/each}}
 		</div>
@@ -125,7 +125,7 @@
 	<div class="message {{type}}">
 		<span class="time">{{time}}</span>
 		<a href="{{user}}" class="user">{{mode}}{{user}}</a>
-		<span class="text">{{type}} {{text}}</span>
+		<span class="text">{{type}} {{{autoLink text}}}</span>
 	</div>
 	{{/messages}}
 	</script>
@@ -136,6 +136,7 @@
 	<script src="/js/lib/jquery.cookie.js"></script>
 	<script src="/js/lib/jquery.scrollGlue.js"></script>
 	<script src="/js/lib/bootstrap.js"></script>
+	<script src="/js/lib/URI.js"></script>
 	<script src="/js/chat.js"></script>
 
 	</div>

client/js/chat.js

@@ -214,3 +214,10 @@ $(function() {
 			.end();
 	};
 });
+
+Handlebars.registerHelper("autoLink", function(text) {
+	var text = Handlebars.Utils.escapeExpression(text);
+	return URI.withinString(text, function(url) {
+		return "<a href='" + url + "' target='_blank'>" + url + "</a>";
+	});
+});