From 0f3e8acde2ab3783d6e4eccba2c6e6b62f86e1a8 Mon Sep 17 00:00:00 2001
From: Rob DiMarco <rob@firebase.com>
Date: Fri, 1 Nov 2013 15:25:33 -0700
Subject: [PATCH] Fixes #4 - Entering / exiting room lists with unauthenticated

---
 src/js/firechat.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/js/firechat.js b/src/js/firechat.js
index 279924f..3f5b67e 100644
--- a/src/js/firechat.js
+++ b/src/js/firechat.js
@@ -363,13 +363,14 @@
   // Leave a chat room.
   Firechat.prototype.leaveRoom = function(roomId) {
     var self = this,
-        userRoomRef = self._firebase.child('room-users').child(roomId),
-        presenceRef = userRoomRef.child(self._userId).child(self._sessionId);
+        userRoomRef = self._firebase.child('room-users').child(roomId);
 
     // Remove listener for new messages to this room.
     self._messageRef.child(roomId).off();
 
     if (self._user) {
+      var presenceRef = userRoomRef.child(self._userId).child(self._sessionId);
+
       // Remove presence bit for the room and cancel on-disconnect removal.
       self._removePresenceOperation(presenceRef.toString(), null);