Update service-worker.js

service-worker.js

@@ -1,22 +1,28 @@
 const CACHE_NAME = 'pawmatch-v1';
+const urlsToCache = [
+  './',
+  './manifest.json',
+  './assets/icon-192.png',
+  './assets/icon-512.png'
+];
 
-self.addEventListener('install', (event) => {
-    event.waitUntil(
-        caches.open(CACHE_NAME).then((cache) => {
-            return cache.addAll([
-                './',
-                './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);
+      })
+  );
 });
 
-self.addEventListener('fetch', (event) => {
-    event.respondWith(
-        caches.match(event.request)
-            .then((response) => response || fetch(event.request))
-            .catch(() => caches.match('./'))
-    );
+// 請求處理器
+self.addEventListener('fetch', function(event) {
+  event.respondWith(
+    caches.match(event.request)
+      .then(function(response) {
+        return response || fetch(event.request);
+      })
+  );
 });