service-worker.js

const CACHE_NAME = 'pawmatch-v1';
const urlsToCache = [
  './',
  './manifest.json',
  './assets/icon-192.png',
  './assets/icon-512.png'
];

// 安裝事件處理器
self.addEventListener('install', function(event) {
  event.waitUntil(
    caches.open(CACHE_NAME)
      .then(function(cache) {
        console.log('快取開啟');
        return cache.addAll(urlsToCache);
      })
  );
});

// 請求處理器
self.addEventListener('fetch', function(event) {
  event.respondWith(
    caches.match(event.request)
      .then(function(response) {
        return response || fetch(event.request);
      })
  );
});