Sessions 5-7a: 955 tests, deployment ready

web/src/sw.ts

@@ -0,0 +1,52 @@
+/// <reference lib="webworker" />
+/// <reference types="@serwist/next/typings" />
+
+import { defaultCache } from '@serwist/next/worker';
+import { Serwist } from 'serwist';
+
+declare const self: ServiceWorkerGlobalScope & {
+  __SW_MANIFEST: (string | { url: string; revision: string | null })[];
+};
+
+const serwist = new Serwist({
+  precacheEntries: self.__SW_MANIFEST,
+  skipWaiting: true,
+  clientsClaim: true,
+  navigationPreload: true,
+  runtimeCaching: defaultCache,
+});
+
+serwist.addEventListeners();
+
+// Web Push handler — fires when the push service delivers a notification.
+// Pushes are emitted server-side by src/services/distribution/webPush.js.
+self.addEventListener('push', (event) => {
+  if (!event.data) return;
+  let payload: { title?: string; body?: string; icon?: string; url?: string };
+  try {
+    payload = event.data.json();
+  } catch {
+    payload = { title: 'VYNDR', body: event.data.text() };
+  }
+  const { title = 'VYNDR', body = '', icon = '/icons/icon-192.png', url = '/' } = payload;
+  event.waitUntil(
+    self.registration.showNotification(title, {
+      body,
+      icon,
+      badge: '/icons/icon-192.png',
+      data: { url },
+    })
+  );
+});
+
+self.addEventListener('notificationclick', (event) => {
+  event.notification.close();
+  const url = (event.notification.data as { url?: string } | undefined)?.url ?? '/';
+  event.waitUntil(
+    self.clients.matchAll({ type: 'window', includeUncontrolled: true }).then((clients) => {
+      const existing = clients.find((c) => c.url.endsWith(url));
+      if (existing) return existing.focus();
+      return self.clients.openWindow(url);
+    })
+  );
+});