From a540f053301f7efa92c9b2fe89eb27d1adb10d96 Mon Sep 17 00:00:00 2001
From: Shavonn Brown <shavonn.brown@grafana.com>
Date: Mon, 26 Aug 2019 12:28:43 -0400
Subject: [PATCH] QueryEditor: check if optional func toggleEditorMode is
 provided (#18705)

---
 public/app/features/explore/QueryEditor.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/app/features/explore/QueryEditor.tsx b/public/app/features/explore/QueryEditor.tsx
index 2f689409179..de8706b0a21 100644
--- a/public/app/features/explore/QueryEditor.tsx
+++ b/public/app/features/explore/QueryEditor.tsx
@@ -73,7 +73,7 @@ export default class QueryEditor extends PureComponent<QueryEditorProps, any> {
     const hasNewError = prevProps.error !== this.props.error;
 
     if (this.component) {
-      if (hasToggledEditorMode) {
+      if (hasToggledEditorMode && this.angularScope && this.angularScope.toggleEditorMode) {
         this.angularScope.toggleEditorMode();
       }