ui: fix worker types

packages/ui-default/components/message/worker.ts

@@ -1,4 +1,6 @@
 /* eslint-disable no-restricted-globals */
+/// <reference no-default-lib="true" />
+/// <reference lib="ES2015" />
 /// <reference types="@types/sharedworker" />
 import ReconnectingWebsocket from 'reconnecting-websocket';
 
@@ -71,8 +73,7 @@ function initConn(path: string, port: MessagePort, cookie: any) {
   };
 }
 
-// eslint-disable-next-line no-undef
-onconnect = function (e) {
+onconnect = function (e) { // eslint-disable-line no-undef
   const port = e.ports[0];
 
   port.addEventListener('message', (msg: { data: RequestPayload }) => {

packages/ui-default/service-worker.ts

@@ -1,3 +1,5 @@
+/// <reference no-default-lib="true"/>
+/// <reference lib="ES2015" />
 /// <reference types="@types/serviceworker" />
 /* global clients */
 // eslint-disable-next-line no-restricted-globals
@@ -10,5 +12,6 @@ addEventListener('notificationclick', (event) => {
       if (client.url === '/home/messages' && 'focus' in client) return client.focus();
     }
     if (clients.openWindow) clients.openWindow('/home/messages');
+    return null;
   }));
 });