var cacheName = "parsley-cache-<%= File.mtime(Webpacker::manifest.config.public_manifest_path).to_i %>";

var staticAssets = [
  "/",
  "<%= asset_pack_path("application.js") %>",
  "<%= asset_pack_path("application.css") %>"
];

self.addEventListener('install', function(event) {
  event.waitUntil(
    caches.open(cacheName).then(function (cache) {
      console.log('[ServiceWorker] Caching app shell');
      return cache.addAll(staticAssets);
    })
  );
});

self.addEventListener('activate', function(event) {
  event.waitUntil(
    caches.keys().then(function (keyList) {
      return Promise.all(keyList.map(function (key) {
        if (key !== cacheName) {
          console.log('[ServiceWorker] Removing old cache', key);
          return caches.delete(key);
        }
      }));
    })
  );
});

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

self.addEventListener('message', function (event) {
  if (event.data === "skipWaiting") {
    self.skipWaiting();
  }
});