retry voor web push

public/sw.js

@@ -0,0 +1,38 @@
+self.addEventListener('push', function (event) {
+    let data = {};
+
+    try {
+        data = event.data?.json() ?? {};
+    } catch (e) {
+        data = { title: 'Notification', body: event.data?.text() ?? '' };
+    }
+
+    event.waitUntil(
+        self.registration.showNotification(data.title, {
+            body: data.body,
+            icon: data.icon,
+            badge: data.badge,
+            data: data.data,
+            actions: data.actions,
+        }),
+    );
+});
+
+self.addEventListener('notificationclick', function (event) {
+    event.notification.close();
+
+    const url = event.notification.data?.url ?? '/';
+
+    event.waitUntil(
+        self.clients
+            .matchAll({ type: 'window', includeUncontrolled: true })
+            .then(function (clientList) {
+                for (const client of clientList) {
+                    if (client.url === url && 'focus' in client) {
+                        return client.focus();
+                    }
+                }
+                return self.clients.openWindow(url);
+            }),
+    );
+});