const CACHE = 'gj-__BUILD_TIME__'

self.addEventListener('install', (e) => {
  e.waitUntil(
    caches.open(CACHE).then((cache) =>
      cache.addAll(['/', '/manifest.json', '/icon.svg'])
    )
  )
  self.skipWaiting()
})

self.addEventListener('activate', (e) => {
  e.waitUntil(
    caches.keys().then((keys) =>
      Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)))
    )
  )
  self.clients.claim()
})

self.addEventListener('fetch', (e) => {
  // Only cache GET requests for same-origin non-API resources
  if (
    e.request.method !== 'GET' ||
    e.request.url.includes('/api/')
  ) return

  e.respondWith(
    caches.match(e.request).then((cached) => cached || fetch(e.request))
  )
})