From 0a26cbf36c7c35367387f1291c26d7ba71ee452a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Piotr=20Jamr=C3=B3z?= <pm.jamroz@gmail.com>
Date: Mon, 9 Aug 2021 14:48:09 +0200
Subject: [PATCH] Handle undefined values provided for autocomplete

---
 .../plugins/datasource/graphite/components/TagsSection.tsx    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/public/app/plugins/datasource/graphite/components/TagsSection.tsx b/public/app/plugins/datasource/graphite/components/TagsSection.tsx
index 247594f9d58..2a59005268d 100644
--- a/public/app/plugins/datasource/graphite/components/TagsSection.tsx
+++ b/public/app/plugins/datasource/graphite/components/TagsSection.tsx
@@ -33,8 +33,8 @@ export function TagsSection({ dispatch, tags, state, addTagSegments }: Props) {
   // Options are reloaded while user is typing with backend taking care of auto-complete (auto-complete cannot be
   // implemented in front-end because backend returns only limited number of entries)
   const getTagsAsSegmentsOptions = useCallback(
-    (inputValue: string) => {
-      return getTagsAsSegmentsSelectables(state, inputValue);
+    (inputValue?: string) => {
+      return getTagsAsSegmentsSelectables(state, inputValue || '');
     },
     [state]
   );