From 6c635bf97c4018dce61b2b5a2c3c24e7ff2a5a27 Mon Sep 17 00:00:00 2001
From: Adrian Gruntkowski <adrian.gruntkowski@gmail.com>
Date: Sat, 30 Nov 2024 20:20:39 +0100
Subject: [PATCH] Request permission to use persistent storage by service
 worker

---
 priv/static/js/service-worker-init.js | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/priv/static/js/service-worker-init.js b/priv/static/js/service-worker-init.js
index fb73632..74e4f2c 100644
--- a/priv/static/js/service-worker-init.js
+++ b/priv/static/js/service-worker-init.js
@@ -1,5 +1,19 @@
 const registerServiceWorker = async () => {
   if ("serviceWorker" in navigator) {
+    if (navigator.storage && navigator.storage.persist) {
+      navigator.storage.persist().then((persistent) => {
+        if (persistent) {
+          console.log(
+            "Storage will not be cleared except by explicit user action",
+          );
+        } else {
+          console.log(
+            "Storage may be cleared by the UA under storage pressure.",
+          );
+        }
+      });
+    }
+
     try {
       const registration = await navigator.serviceWorker.register(
         "/js/service-worker.js",