From 0daf321f1492d6ba9e30ff5bf2ff91e44809374f Mon Sep 17 00:00:00 2001
From: Matjaž Črnko <m.crnko@txt.si>
Date: Sun, 5 Nov 2023 19:54:57 +0100
Subject: fix: PWA regularly check for service worker updates and
 automaticially reload the app.

---
 modern/src/index.jsx | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'modern/src')

diff --git a/modern/src/index.jsx b/modern/src/index.jsx
index 3eb96d2f..33524e97 100644
--- a/modern/src/index.jsx
+++ b/modern/src/index.jsx
@@ -16,6 +16,33 @@ import NativeInterface from './common/components/NativeInterface';
 import ServerProvider from './ServerProvider';
 import ErrorBoundary from './ErrorBoundary';
 import AppThemeProvider from './AppThemeProvider';
+import { registerSW } from 'virtual:pwa-register'
+
+const ServiceWorkerUpdateCheckInterval = 60 * 60 * 1000;
+
+registerSW({
+  onRegisteredSW(swUrl, r) {
+    r && setInterval(async () => {
+      if (!(!r.installing && navigator))
+        return
+
+      if (('connection' in navigator) && !navigator.onLine)
+        return
+
+      const resp = await fetch(swUrl, {
+        cache: 'no-store',
+        headers: {
+          'cache': 'no-store',
+          'cache-control': 'no-cache',
+        },
+      })
+
+      if (resp?.status === 200)
+        await r.update()
+    }, ServiceWorkerUpdateCheckInterval)
+  },
+  immediate: true
+});
 
 preloadImages();
 
-- 
cgit v1.2.3