From b1cde8308f15f8103b0e9cfb498d6c8ba9a7bcb1 Mon Sep 17 00:00:00 2001
From: Radek Czemerys <7029942+radko93@users.noreply.github.com>
Date: Tue, 25 Aug 2020 17:36:01 +0200
Subject: [PATCH] fix: unsubscribe streamItems on deinit (#453)

---
 app/assets/javascripts/services/preferencesManager.ts | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/services/preferencesManager.ts b/app/assets/javascripts/services/preferencesManager.ts
index e70b4df026a..88336b284b3 100644
--- a/app/assets/javascripts/services/preferencesManager.ts
+++ b/app/assets/javascripts/services/preferencesManager.ts
@@ -13,6 +13,7 @@ export class PreferencesManager extends ApplicationService {
 
   private userPreferences!: SNUserPrefs
   private loadingPrefs = false;
+  private unubscribeStreamItems?: () => void;
 
   /** @override */
   async onAppLaunch() {
@@ -20,13 +21,17 @@ export class PreferencesManager extends ApplicationService {
     this.reloadSingleton();
     this.streamPreferences();
   }
+  
+  deinit() {
+    this.unubscribeStreamItems && this.unubscribeStreamItems();
+  }
 
   get webApplication() {
     return this.application as WebApplication;
   }
 
   streamPreferences() {
-    this.application!.streamItems(
+    this.unubscribeStreamItems = this.application!.streamItems(
       ContentType.UserPrefs,
       () => {
         this.reloadSingleton();