// Register event listener for the 'push' event.
self.addEventListener("push", function (event) {
  // Retrieve the textual payload from event.data (a PushMessageData object).
  // Other formats are supported (ArrayBuffer, Blob, JSON), check out the documentation
  // on https://developer.mozilla.org/en-US/docs/Web/API/PushMessageData.
  const eventInfo = event.data.text();
  const data = JSON.parse(eventInfo);
  const head = data.head || "New Notification 🕺🕺";
  const body = data.body || "This is default content. Your notification didn't have one 🙄🙄";

  // Keep the service worker alive until the notification is created.
  event.waitUntil(
    self.registration.showNotification(head, {
      body: body,
      icon: "https://i.imgur.com/MZM3K5w.png",
    })
  );
});