'use strict';

self.addEventListener('install',event=>event.waitUntil(self.skipWaiting()));
self.addEventListener('activate',event=>event.waitUntil(self.clients.claim()));

self.addEventListener('notificationclick',event=>{
 event.notification.close();
 const data=event.notification.data||{};
 event.waitUntil((async()=>{
  const windows=await self.clients.matchAll({type:'window',includeUncontrolled:true});
  let client=windows.find(item=>'focus' in item);
  if(client)await client.focus();
  else client=await self.clients.openWindow('./');
  client?.postMessage(data);
 })());
});