examples/all/app/views/pwa/service-worker.js
// Add a service worker for processing Web Push notifications:
//
// self.addEventListener("push", async (event) => {
// const { title, options } = await event.data.json()
// event.waitUntil(self.registration.showNotification(title, options))
// })
//
// self.addEventListener("notificationclick", function(event) {
// event.notification.close()
// event.waitUntil(
// clients.matchAll({ type: "window" }).then((clientList) => {
// for (let i = 0; i < clientList.length; i++) {
// let client = clientList[i]
// let clientPath = (new URL(client.url)).pathname
//
// if (clientPath == event.notification.data.path && "focus" in client) {
// return client.focus()
// }
// }
//
// if (clients.openWindow) {
// return clients.openWindow(event.notification.data.path)
// }
// })
// )
// })