From a51f84d3ae1368b9b283187979b1471f6c016daa Mon Sep 17 00:00:00 2001
From: Titouan Rigoudy <titouan.rigoudy@gmail.com>
Date: Thu, 29 Jul 2021 20:23:36 -0400
Subject: [PATCH] Fix decoding logic for /rooms.

---
 src/modules/room/RoomsPane.tsx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/modules/room/RoomsPane.tsx b/src/modules/room/RoomsPane.tsx
index 1d1083f..f35f249 100644
--- a/src/modules/room/RoomsPane.tsx
+++ b/src/modules/room/RoomsPane.tsx
@@ -20,8 +20,14 @@ interface UrlParams {
 
 const RoomChatPane: FC<ChatProps> = ({ loginUserName, rooms }) => {
   const { roomId } = useParams<UrlParams>();
-  const name = decode(roomId);
-  return <RoomChat loginUserName={loginUserName} room={rooms[name]} />;
+
+  let room;
+  if (roomId !== undefined) {
+    const name = decode(roomId);
+    room = rooms[name];
+  }
+
+  return <RoomChat loginUserName={loginUserName} room={room} />;
 };
 
 const RoomsPane: FC<{}> = () => {