const CACHE = "maven-v2";
self.addEventListener("install", e => {
  e.waitUntil(caches.open(CACHE).then(c => c.addAll(["/", "/ui.css", "/mavweb.js", "/manifest.json", "/dash"])));
  self.skipWaiting();
});
self.addEventListener("activate", e => {
  e.waitUntil(
    caches.keys().then(keys => Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k))))
  );
  clients.claim();
});
self.addEventListener("fetch", e => {
  e.respondWith(
    fetch(e.request).catch(() => caches.match(e.request))
  );
});