Import source: app/public/service-worker

Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.

app/public/service-worker.js

@@ -0,0 +1,92 @@
+const CACHE_NAME = 'teknav-v5';
+const ASSETS_TO_CACHE = [
+  '/',
+  '/index.html',
+  '/manifest.json',
+  '/favicon.png'
+];
+
+self.addEventListener('install', (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME)
+      .then((cache) => cache.addAll(ASSETS_TO_CACHE))
+      .then(() => self.skipWaiting())
+  );
+});
+
+self.addEventListener('activate', (event) => {
+  event.waitUntil(
+    caches.keys()
+      .then((keys) => Promise.all(keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key))))
+      .then(() => self.clients.claim())
+  );
+});
+
+self.addEventListener('fetch', (event) => {
+  const { request } = event;
+  if (request.method !== 'GET') return;
+  const url = new URL(request.url);
+
+  if (url.origin === location.origin && (url.pathname.startsWith('/article/') || url.pathname === '/' || url.pathname === '/articles')) {
+    event.respondWith(
+      fetch(request)
+        .then((response) => {
+          const copy = response.clone();
+          caches.open(CACHE_NAME).then((cache) => cache.put(request, copy));
+          return response;
+        })
+        .catch(() => caches.match(request).then((cached) => cached || caches.match('/index.html')))
+    );
+    return;
+  }
+
+  if (url.origin === location.origin && url.pathname.startsWith('/api/articles')) {
+    event.respondWith(fetch(request));
+    return;
+  }
+
+  if (request.headers.get('Accept')?.includes('text/html')) {
+    event.respondWith(
+      fetch(request)
+        .then((response) => {
+          const copy = response.clone();
+          caches.open(CACHE_NAME).then((cache) => cache.put(request, copy));
+          return response;
+        })
+        .catch(() => caches.match(request).then((cached) => cached || caches.match('/index.html')))
+    );
+    return;
+  }
+
+  event.respondWith(caches.match(request).then((response) => response || fetch(request)));
+});
+
+self.addEventListener('push', (event) => {
+  const data = event.data ? event.data.json() : { title: 'تکناو', body: '', url: '/', icon: '/icons/icon-192x192.png' };
+  event.waitUntil(
+    self.registration.showNotification(data.title, {
+      body: data.body,
+      icon: data.icon || '/icons/icon-192x192.png',
+      badge: '/icons/badge-72x72.png',
+      dir: 'rtl',
+      lang: 'fa',
+      data: { url: data.url || '/' },
+    })
+  );
+});
+
+self.addEventListener('notificationclick', (event) => {
+  event.notification.close();
+  const targetUrl = (event.notification.data && event.notification.data.url) || '/';
+  event.waitUntil(
+    clients.matchAll({ type: 'window', includeUncontrolled: true }).then((list) => {
+      for (const client of list) {
+        if ('focus' in client) {
+          client.navigate(targetUrl);
+          return client.focus();
+        }
+      }
+      return clients.openWindow(targetUrl);
+    })
+  );
+});