social overhaul

public/push-handlers.js

@@ -0,0 +1,58 @@
+/* eslint-disable no-undef */
+// Hand-written Web Push handlers, imported into the Workbox-generated SW via
+// `importScripts` (see scripts/generate-sw.mjs). Workbox never overwrites this
+// file — it's copied verbatim from /public and pulled in at SW startup.
+
+self.addEventListener('push', (event) => {
+  let data = {};
+  try {
+    data = event.data ? event.data.json() : {};
+  } catch (e) {
+    data = { title: 'Notification', body: event.data ? event.data.text() : '' };
+  }
+
+  const title = data.title || 'Flexxon';
+  const options = {
+    body: data.body || '',
+    icon: data.icon || '/icon-192x192.png',
+    badge: '/icon-192x192.png',
+    tag: data.tag || undefined,
+    data: { url: data.url || '/' },
+  };
+
+  event.waitUntil(self.registration.showNotification(title, options));
+});
+
+self.addEventListener('notificationclick', (event) => {
+  event.notification.close();
+
+  const targetUrl = (event.notification.data && event.notification.data.url) || '/';
+
+  event.waitUntil(
+    self.clients
+      .matchAll({ type: 'window', includeUncontrolled: true })
+      .then((clientList) => {
+        // Focus an existing tab if one is already open, else open a new one.
+        for (const client of clientList) {
+          try {
+            const clientUrl = new URL(client.url);
+            const target = new URL(targetUrl, self.location.origin);
+            if (clientUrl.pathname === target.pathname && 'focus' in client) {
+              return client.focus();
+            }
+          } catch (e) {
+            // ignore malformed URLs
+          }
+        }
+        for (const client of clientList) {
+          if ('focus' in client) {
+            client.navigate(targetUrl);
+            return client.focus();
+          }
+        }
+        if (self.clients.openWindow) {
+          return self.clients.openWindow(targetUrl);
+        }
+      })
+  );
+});