From 527b7bd7562bb9cd6806223d17e745ed6d6dcff5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hugo=20H=C3=A4ggmark?= <hugo.haggmark@grafana.com>
Date: Tue, 20 Apr 2021 15:15:56 +0200
Subject: [PATCH] Theme: Theme toggle is only persisted for signed in users
 (#33163)

---
 public/app/core/services/toggleTheme.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/public/app/core/services/toggleTheme.ts b/public/app/core/services/toggleTheme.ts
index 307dfea48db..0836b3cd1a8 100644
--- a/public/app/core/services/toggleTheme.ts
+++ b/public/app/core/services/toggleTheme.ts
@@ -3,6 +3,7 @@ import { ThemeChangedEvent } from 'app/types/events';
 import appEvents from '../app_events';
 import { config } from '../config';
 import { PreferencesService } from './PreferencesService';
+import { contextSrv } from '../core';
 
 export async function toggleTheme(runtimeOnly: boolean) {
   const currentTheme = config.theme;
@@ -32,6 +33,10 @@ export async function toggleTheme(runtimeOnly: boolean) {
     }
   }
 
+  if (!contextSrv.isSignedIn) {
+    return;
+  }
+
   // Persist new theme
   const service = new PreferencesService('user');
   const currentPref = await service.load();