This blog post takes a closer look at the Background Sync API, part of the Service Worker implementation and presents an example that uses Background Sync to synchronize data between an Ionic 4 web application and a Spring Boot server application.
A description how to add a Workbox Service Worker to an Angular project instead of using the Angular Service Worker
Explore the provided methods of the Cache API that is primarily used in Service Workers to cache assets, but can be used anywhere as a general purpose cache.
In this blog post I show you how you can send push messages from a Spring Boot application over Firebase Cloud Messaging (FCM) to connected clients with the Web Push API. The Push API is part of the Service Worker specification and does not depend on any native plugins.
Published: December 17, 2017 • Updated: April 17, 2018 • ionic3, pwa
How to integrate the service worker library Workbox into an Ionic app with lazy loaded modules
Creating Service Workers with Workbox for Ionic applications