From d354a0a23b966549a5fab0b8c7c38dbd6a5a3a3d Mon Sep 17 00:00:00 2001
From: Michael Telatynski <7t3chguy@gmail.com>
Date: Thu, 1 Jul 2021 09:57:33 +0100
Subject: [PATCH] Prevent RoomDirectory from exploding when filterString is
 wrongly nullified

---
 src/components/structures/RoomDirectory.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/structures/RoomDirectory.tsx b/src/components/structures/RoomDirectory.tsx
index 2ac990436f..3acd9f1a2e 100644
--- a/src/components/structures/RoomDirectory.tsx
+++ b/src/components/structures/RoomDirectory.tsx
@@ -370,7 +370,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
 
     private onFilterChange = (alias: string) => {
         this.setState({
-            filterString: alias || null,
+            filterString: alias || "",
         });
 
         // don't send the request for a little bit,
@@ -389,7 +389,7 @@ export default class RoomDirectory extends React.Component<IProps, IState> {
     private onFilterClear = () => {
         // update immediately
         this.setState({
-            filterString: null,
+            filterString: "",
         }, this.refreshRoomList);
 
         if (this.filterTimeout) {