Merge upstream pull request #320 from janza/client-plugins

Client plugins

closes #14

client/index.html

@@ -286,7 +286,15 @@
 	</div>
 	</div>
 
-	<script src="js/libs.min.js"></script>
+    <script src="js/libs.min.js"></script>
+	<script>
+		var shoutPlugins = [];
+	</script>
+
+	<% plugins.forEach(function(file) { %>
+		<script src="plugins/<%= file %>"></script>
+	<% }) %>
+
 	<script src="js/shout.templates.js"></script>
 	<script src="js/shout.js"></script>
 

client/js/shout.js

@@ -61,7 +61,9 @@ $(function() {
 	});
 
 	function render(name, data) {
-		return Handlebars.templates[name](data);
+		data = pluginHandle('onprerender', [name, data])[1];
+		var html = Handlebars.templates[name](data);
+		return pluginHandle('onpostrender', [name, html])[1];
 	}
 
 	Handlebars.registerHelper(
@@ -197,6 +199,8 @@ $(function() {
 		var chan = chat.find(target);
 		var from = data.msg.from;
 
+		data.msg = pluginHandle('onmessage', data.msg);
+
 		chan.find(".messages")
 			.append(render("msg", {messages: [data.msg]}))
 			.trigger("msg", [
@@ -416,6 +420,9 @@ $(function() {
 			clear();
 			return;
 		}
+		text = pluginHandle('oninput', text);
+		if (!text) return;
+
 		socket.emit("input", {
 			target: chat.data("id"),
 			text: text
@@ -751,6 +758,25 @@ $(function() {
 		});
 	}, 1000 * 10);
 
+	$.each(shoutPlugins, function(i, plugin) {
+		if ($.isFunction(plugin)) { plugin(socket); }
+	});
+
+	function pluginHandle(action, data) {
+		var val = data;
+
+		$.each(shoutPlugins, function(i, plugin) {
+			if ($.isFunction(plugin[action])) {
+				var newVal = plugin[action].apply(plugin, (val && !val.length) ? [val] : val);
+				if (newVal !== null && newVal !== undefined) {
+					val = newVal;
+				}
+			}
+		});
+
+		return val;
+	}
+
 	function clear() {
 		chat.find(".active .messages").empty();
 		chat.find(".active .show-more").addClass("show");

src/server.js

@@ -13,12 +13,28 @@ var manager = new ClientManager();
 
 module.exports = function(options) {
 	config = Helper.getConfig();
-	config = _.extend(config, options);
+	config = _.extend(config, options, {
+		plugins: []
+	});
 
 	var app = express()
 		.use(index)
 		.use(express.static("client"));
 
+	fs.readdir(Helper.HOME + '/plugins', function(err, files) {
+		if (err) {
+			if (err.code !== 'ENOENT') {
+				console.log(err);
+			}
+			return;
+		}
+		if (files.length) {
+			config.plugins = files;
+			app.use('/plugins', express.static(Helper.HOME + '/plugins'));
+		}
+
+	});
+
 	app.enable("trust proxy");
 
 	var server = null;