Islamic_clock / sw.js
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'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);
})());
});