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const CACHE_NAME = 'digital-gut-v1';
const ASSETS_TO_CACHE = [
    '/',
    '/gradio',
    '/manifest.json',
    '/assets/main_music.mp3',
    '/static/icons/icon-192x192.png',
    '/static/icons/icon-512x512.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((cacheNames) => {
            return Promise.all(
                cacheNames.map((cacheName) => {
                    if (cacheName !== CACHE_NAME) {
                        return caches.delete(cacheName);
                    }
                })
            );
        })
    );
});

self.addEventListener('fetch', (event) => {
    event.respondWith(
        caches.match(event.request)
            .then((response) => {
                if (response) {
                    return response;
                }
                return fetch(event.request);
            })
    );
});