Update firebase-messaging-sw.js

firebase-messaging-sw.js

@@ -5,45 +5,4 @@ firebase.initializeApp({
     'messagingSenderId': '448358493027'
 });
 
-const messaging = firebase.messaging();
-
-// Customize notification handler
-messaging.setBackgroundMessageHandler(function(payload) {
-    if (typeof payload.data.time != 'undefined') {
-        var time = new Date(payload.data.time * 1000);
-        var now = new Date();
-        if (time < now) { // expired
-            return null;
-        }
-        var diff = Math.round((time.getTime() - now.getTime()) / 1000);
-
-        payload.data.body = 'Начало через ' + Math.round(diff / 60) + ' минут, в ' + time.getHours() + ':' + time.getMinutes();
-    }
-
-    payload.data.data = payload.data;
-
-    return self.registration.showNotification(payload.data.title, payload.data);
-});
-
-self.addEventListener('notificationclick', function(event) {
-    console.log(event);
-    var target = event.notification.data.click_action || '/';
-    event.notification.close();
-
-    // This looks to see if the current is already open and focuses if it is
-    event.waitUntil(clients.matchAll({
-        type: 'window'
-    }).then(function(clientList) {
-        console.log(clientList);
-        for (var i = 0; i < clientList.length; i++) {
-            var client = clientList[i];
-            if (client.url == target && 'focus' in client) {
-                return client.focus();
-            }
-        }
-
-        if (clients.openWindow) {
-            return clients.openWindow(target);
-        }
-    }));
-});
+firebase.messaging();