Cloudinary PWA React Blog

service-worker-activate-task.js

// A new ServiceWorker is now active
  self.addEventListener("activate", function (event) {
    event.waitUntil(
      caches.keys()
        .then(function (cacheNames) {
          return Promise.all(
            cacheNames.map(function (cacheName) {
              if (currentCacheNames.indexOf(cacheName) === -1) {
                return caches.delete(cacheName);
              }
            })
          );
        })
    );
  });