From 37a672f424a72f59e35aae5eb84e9e88ee95a1f4 Mon Sep 17 00:00:00 2001
From: Jeconias Santos <jeconiass2009@hotmail.com>
Date: Sun, 18 Oct 2020 22:41:13 -0300
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20problem=20when=20the=20cli?=
 =?UTF-8?q?ent=20socket.io=20not=20send=20the=20name.=20#140?=
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---
 app.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/app.js b/app.js
index 23a97ca..c68de67 100644
--- a/app.js
+++ b/app.js
@@ -28,12 +28,11 @@ io.on('connection', (socket) => {
 
 	//When client requests for setting username
 	socket.on('set username', (name) => {
-		name = name.trim()
+		name = (name || "").trim()
 
 		//if name is empty(null), do nothing
-		if(name == "" || name == null) {
-			return;
-		}
+		if(!name) return socket.emit('user invalid', {username: `${name} is invalid.`});
+		
 		//if username is not taken
 		else if(rooms[0].users.indexOf(name) == -1) {
 			rooms[0].users.push(name);
@@ -199,3 +198,5 @@ io.on('connection', (socket) => {
 
 	});
 });
+
+module.exports = app;