From 54af8548434ec263d18a39f01b2f747c1e861c92 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20W=C3=B3jcik?=
 <1711174+lwojcik@users.noreply.github.com>
Date: Mon, 14 Aug 2023 00:12:34 +0200
Subject: [PATCH] Force update page if new service worker is installed (#12)

---
 content/_includes/partials/head.njk | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/content/_includes/partials/head.njk b/content/_includes/partials/head.njk
index 725035e..d1c1a1d 100644
--- a/content/_includes/partials/head.njk
+++ b/content/_includes/partials/head.njk
@@ -21,5 +21,25 @@
 <meta name="generator" content="{{ siteConfig.generator.name }} v{{ siteConfig.generator.version }}">
 {% favicons 'assets/favicon.svg', appleIconBgColor='#000' %}
 {%- if siteConfig.enablePWA -%}
-<script>if ('serviceWorker' in navigator) navigator.serviceWorker.register('/service-worker.js');</script>
-{%- endif -%}
\ No newline at end of file
+<script>
+if ('serviceWorker' in navigator) {
+  navigator.serviceWorker.register('/service-worker.js')
+    .then(registration => {
+      registration.addEventListener('updatefound', () => {
+        const newWorker = registration.installing;
+
+        newWorker.addEventListener('statechange', () => {
+          if (newWorker.state === 'installed') {
+            if (navigator.serviceWorker.controller) {
+              window.location.reload();
+            }
+          }
+        });
+      });
+    })
+    .catch(error => {
+      console.error('Service Worker registration failed:', error);
+    });
+}
+</script>
+{%- endif -%}