https://dailyprayer.uk/app/service-worker.js?v=

1const CACHE_VERSION = "dailyprayer-uk-pwa-v2026-08-24-church1";
2const LIVE_CACHE = "dailyprayer-uk-live-v2026-08-24-church1";
3const OFFLINE_URL = "/app/offline.html";
4const APP_SHELL = [
5  "/app/",
6  "/app/index.html",
7  "/app/styles.css?v=20260824-church1",
8  "/app/app.js?v=20260824-church1",
9  "/app/manifest.webmanifest",
10  OFFLINE_URL,
11  "/app/assets/dailyprayer-logo.png",
12  "/app/assets/dailyprayer-icon-180.png",
13  "/app/assets/dailyprayer-icon-192.png",
14  "/app/assets/dailyprayer-icon-512.png",
15  "/app/assets/dailyprayer-icon-maskable-512.png"
16];
17
18self.addEventListener("install", (event) => {
19  event.waitUntil(
20    caches.open(CACHE_VERSION)
21      .then((cache) => cache.addAll(APP_SHELL))
22      .then(() => self.skipWaiting())
23  );
24});
25
26self.addEventListener("activate", (event) => {
27  event.waitUntil(
28    caches.keys()
29      .then((names) => Promise.all(
30        names
31          .filter((name) => name !== CACHE_VERSION && name !== LIVE_CACHE)
32          .map((name) => caches.delete(name))
33      ))
34      .then(() => self.clients.claim())
35  );
36});
37
38self.addEventListener("message", (event) => {
39  if (event.data && event.data.type === "SKIP_WAITING") {
40    self.skipWaiting();
41  }
42});
43
44const isAudioStream = (request) => {
45  const accept = request.headers.get("accept") || "";
46  return accept.includes("audio") || request.url.includes("streamer.radio.co");
47};
48
49const networkFirst = async (request) => {
50  const cache = await caches.open(LIVE_CACHE);
51  try {
52    const response = await fetch(request);
53    if (response && response.ok) {
54      cache.put(request, response.clone());
55    }
56    return response;
57  } catch (error) {
58    return cache.match(request);
59  }
60};
61
62const shellFirst = async (request) => {
63  const cached = await caches.match(request);
64  if (cached) return cached;
65
66  try {
67    const response = await fetch(request);
68    if (response && response.ok && request.method === "GET") {
69      const cache = await caches.open(CACHE_VERSION);
70      cache.put(request, response.clone());
71    }
72    return response;
73  } catch (error) {
74    return caches.match(OFFLINE_URL);
75  }
76};
77
78self.addEventListener("fetch", (event) => {
79  const { request } = event;
80  if (request.method !== "GET" || isAudioStream(request)) return;
81
82  const url = new URL(request.url);
83
84  if (request.mode === "navigate") {
85    event.respondWith(
86      fetch(request)
87        .then((response) => {
88          const copy = response.clone();
89          caches.open(CACHE_VERSION).then((cache) => cache.put("/app/", copy));
90          return response;
91        })
92        .catch(() => caches.match("/app/").then((response) => response || caches.match(OFFLINE_URL)))
93    );
94    return;
95  }
96
97  if (url.origin === self.location.origin && (url.pathname.startsWith("/wp-json/") || url.pathname.startsWith("/app/api/"))) {
98    event.respondWith(networkFirst(request).then((response) => response || caches.match(OFFLINE_URL)));
99    return;
100  }
101
102  if (url.origin === self.location.origin && url.pathname.startsWith("/app/")) {
103    event.respondWith(shellFirst(request));
104  }
105});