From db23aaad8366f04bbecf4daf2be7acfc9bd5a5b2 Mon Sep 17 00:00:00 2001
From: Travis Ralston <travpc@gmail.com>
Date: Tue, 9 Jun 2020 15:22:37 -0600
Subject: [PATCH] Destroy old CommunityFilterConditions when they aren't needed

Fixes https://github.com/vector-im/riot-web/issues/13971
---
 src/stores/room-list/TagWatcher.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/stores/room-list/TagWatcher.ts b/src/stores/room-list/TagWatcher.ts
index 1fb5223e00..22302b695d 100644
--- a/src/stores/room-list/TagWatcher.ts
+++ b/src/stores/room-list/TagWatcher.ts
@@ -74,6 +74,11 @@ export class TagWatcher {
                 this.store.removeFilter(filter);
             }
 
+            // Destroy any and all old filter conditions to prevent resource leaks
+            for (const filter of this.filters.values()) {
+                filter.destroy();
+            }
+
             this.filters = newFilters;
         }
     };