kai-notifications-sw.js

self.addEventListener('notificationclick', function (event) {
    event.notification.close();

    var targetUrl = '/';
    if (event.notification.data && event.notification.data.url) {
        targetUrl = event.notification.data.url;
    }

    event.waitUntil(
        clients.matchAll({ type: 'window', includeUncontrolled: true }).then(function (clientList) {
            for (var i = 0; i < clientList.length; i++) {
                var client = clientList[i];
                if ('focus' in client) {
                    client.navigate(targetUrl);
                    return client.focus();
                }
            }

            if (clients.openWindow) {
                return clients.openWindow(targetUrl);
            }
        })
    );
});