From 3d41b48543f9367b8d7523ebe0d5f0e417787988 Mon Sep 17 00:00:00 2001
From: "J. Ryan Stinnett" <jryans@gmail.com>
Date: Fri, 23 Apr 2021 17:24:13 +0100
Subject: [PATCH] Check for null room in `VisibilityProvider`

Hopefully fixes https://github.com/vector-im/element-web/issues/16898
---
 src/stores/room-list/filters/VisibilityProvider.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/stores/room-list/filters/VisibilityProvider.ts b/src/stores/room-list/filters/VisibilityProvider.ts
index 388bb061e3..f212b1f9d9 100644
--- a/src/stores/room-list/filters/VisibilityProvider.ts
+++ b/src/stores/room-list/filters/VisibilityProvider.ts
@@ -37,7 +37,11 @@ export class VisibilityProvider {
         await VoipUserMapper.sharedInstance().onNewInvitedRoom(room);
     }
 
-    public isRoomVisible(room: Room): boolean {
+    public isRoomVisible(room?: Room): boolean {
+        if (!room) {
+            return false;
+        }
+
         if (
             CallHandler.sharedInstance().getSupportsVirtualRooms() &&
             VoipUserMapper.sharedInstance().isVirtualRoom(room)