From f79e489d675cc7a78e262718326782c29bb7002b Mon Sep 17 00:00:00 2001
From: Liam Fitzgerald <liam.fitzgerald@tlon.io>
Date: Sat, 24 Apr 2021 12:23:45 +1000
Subject: [PATCH] ChatResource: prevent unnecessary state update

---
 pkg/interface/src/views/apps/chat/ChatResource.tsx | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkg/interface/src/views/apps/chat/ChatResource.tsx b/pkg/interface/src/views/apps/chat/ChatResource.tsx
index 8fad13168d..e4f02840cd 100644
--- a/pkg/interface/src/views/apps/chat/ChatResource.tsx
+++ b/pkg/interface/src/views/apps/chat/ChatResource.tsx
@@ -75,7 +75,14 @@ export function ChatResource(props: ChatResourceProps) {
   );
 
   const clearUnsent = useCallback(
-    () => setUnsent(s => _.omit(s, station)),
+    () => {
+      setUnsent(s => {
+        if(station in s) {
+          return _.omit(s, station);
+        }
+        return s;
+      });
+    },
     [station]
   );