Don't send completely empty messages

client/js/lounge.js

@@ -604,11 +604,18 @@ $(function() {
 	form.on("submit", function(e) {
 		e.preventDefault();
 		var text = input.val();
+
+		if (text.length === 0) {
+			return;
+		}
+
 		input.val("");
+
 		if (text.indexOf("/clear") === 0) {
 			clear();
 			return;
 		}
+
 		socket.emit("input", {
 			target: chat.data("id"),
 			text: text

src/plugins/inputs/msg.js

@@ -9,6 +9,11 @@ exports.input = function(network, chan, cmd, args) {
 	}
 
 	var msg = args.join(" ");
+
+	if (msg.length === 0) {
+		return true;
+	}
+
 	irc.say(target, msg);
 
 	if (!network.irc.network.cap.isEnabled("echo-message")) {