From d6dbfad999a825ab2a3321e57cd65f06d3bb17ce Mon Sep 17 00:00:00 2001
From: Yulia Shanyrova <yulia.shanyrova@grafana.com>
Date: Tue, 7 Mar 2023 13:26:50 +0100
Subject: [PATCH] Chat-ops fix (#1472)

# What this PR does
Fix for the crash of Chat-ops page

## Which issue(s) this PR fixes
https://github.com/grafana/oncall/issues/1467
---
 grafana-plugin/src/pages/settings/tabs/ChatOps/ChatOps.tsx | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/grafana-plugin/src/pages/settings/tabs/ChatOps/ChatOps.tsx b/grafana-plugin/src/pages/settings/tabs/ChatOps/ChatOps.tsx
index 8725325b..fbe4f886 100644
--- a/grafana-plugin/src/pages/settings/tabs/ChatOps/ChatOps.tsx
+++ b/grafana-plugin/src/pages/settings/tabs/ChatOps/ChatOps.tsx
@@ -33,7 +33,11 @@ class ChatOpsPage extends React.Component<AppRootProps, ChatOpsState> {
   componentDidMount() {
     const { query } = this.props;
 
-    this.handleChatopsTabChange(query.tab || ChatOpsTab.Slack);
+    this.handleChatopsTabChange(query?.tab || ChatOpsTab.Slack);
+  }
+
+  componentWillUnmount() {
+    this.handleChatopsTabChange(undefined);
   }
 
   render() {