From 806068b9de7d3cd4a1482bdaae447f9423a7dd6e Mon Sep 17 00:00:00 2001
From: Saya <379924+chu121su12@users.noreply.github.com>
Date: Wed, 18 Jun 2025 14:57:28 +0800
Subject: [PATCH] Drilldown: Fix js crash when using http (#105646)

Update AppWrapper.tsx
---
 public/app/AppWrapper.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/public/app/AppWrapper.tsx b/public/app/AppWrapper.tsx
index e3a8e59b257..74a71d9711b 100644
--- a/public/app/AppWrapper.tsx
+++ b/public/app/AppWrapper.tsx
@@ -60,7 +60,7 @@ export class AppWrapper extends Component<AppWrapperProps, AppWrapperState> {
     $('.preloader').remove();
 
     // clear any old icon caches
-    const cacheKeys = await window.caches.keys();
+    const cacheKeys = (await window.caches?.keys()) ?? [];
     for (const key of cacheKeys) {
       if (key.startsWith('grafana-icon-cache') && key !== this.iconCacheID) {
         window.caches.delete(key);