Create service-worker.js

service-worker.js

@@ -0,0 +1,36 @@
+const CACHE_NAME = 'digital-gut-v1';
+const urlsToCache = [
+  '/',
+  '/assets/main_music.mp3',
+  '/assets/icons/*',
+  // 캐시할 다른 리소스들 추가
+];
+
+self.addEventListener('install', (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME)
+      .then((cache) => cache.addAll(urlsToCache))
+  );
+});
+
+self.addEventListener('fetch', (event) => {
+  event.respondWith(
+    caches.match(event.request)
+      .then((response) => response || fetch(event.request))
+  );
+});
+
+self.addEventListener('activate', (event) => {
+  const cacheWhitelist = [CACHE_NAME];
+  event.waitUntil(
+    caches.keys().then((cacheNames) => {
+      return Promise.all(
+        cacheNames.map((cacheName) => {
+          if (cacheWhitelist.indexOf(cacheName) === -1) {
+            return caches.delete(cacheName);
+          }
+        })
+      );
+    })
+  );
+});