import { manifest, version } from '@parcel/service-worker'

async function install () {
  const cache = await caches.open(version)
  await cache.addAll(manifest)
}
addEventListener('install', e => e.waitUntil(install()))

async function activate () {
  const keys = await caches.keys()
  await Promise.all(
    keys.map(key => key !== version && caches.delete(key))
  )
}
addEventListener('activate', e => e.waitUntil(activate()))