Service worker update

content/offline.md

@@ -83,7 +83,9 @@ async function listPages() {
 }
 
 document.addEventListener("DOMContentLoaded", (event) => {
-  listPages()
+  if (navigator && navigator.serviceWorker) {
+    listPages()
+  }
 });
 </script>
 

themes/pulp

@@ -1 +1 @@
-Subproject commit df0ec44936cb06d4ec0282e3cd057321ad655b2a
+Subproject commit be3e20feb6562044b0b6559810d4482bf90f9ef2