| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'dart:html' as html; |
| Future<void> main() async { |
| final html.ServiceWorkerRegistration worker = await html.window.navigator.serviceWorker.ready; |
| if (worker.active != null) { |
| await Future.delayed(const Duration(seconds: 5)); |
| await html.HttpRequest.getString('CLOSE'); |
| return; |
| } |
| worker.addEventListener('statechange', (event) async { |
| if (worker.active != null) { |
| await Future.delayed(const Duration(seconds: 5)); |
| await html.HttpRequest.getString('CLOSE'); |
| } |
| }); |
| } |