service-worker.js

// service-worker.js

const cacheName = 'camelot-harmonic-wheel-cache';
const cacheUrls = [
  '/',
  '/dist/cw.js',
];
self.addEventListener('install', event => {
    event.waitUntil(
        caches.open(cacheName)
            .then(cache => cache.addAll(cacheUrls))
            .then(() => self.skipWaiting())
    );
});

self.addEventListener('activate', event => {
    event.waitUntil(
        caches.keys().then(cacheNames => {
            return Promise.all(
                cacheNames.map(name => {
                    if (name !== cacheName) {
                        return caches.delete(name);
                    }
                })
            );
        })
    );
});

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