Book Image

Server-Side Enterprise Development with Angular

By : Bram Borggreve
Book Image

Server-Side Enterprise Development with Angular

By: Bram Borggreve

Overview of this book

With the help of Server-Side Enterprise Development with Angular, equip yourself with the skills required to create modern, progressive web applications that load quickly and efficiently. This fast-paced book is a great way to learn how to build an effective UX by using the new features of Angular 7 beta, without wasting efforts in searching for referrals. To start off, you'll install Angular CLI and set up a working environment, followed by learning to distinguish between the container and presentational components. You'll explore advanced concepts such as making requests to a REST API from an Angular application, creating a web server using Node.js and Express, and adding dynamic metadata. You'll also understand how to implement and configure a service worker using Angular PWA and deploy the server-side rendered app to the cloud. By the end of this book, you'll have developed skills to serve your users views that load instantly, while reaping all the SEO benefits of improved page indexing.
Table of Contents (5 chapters)

Debugging the Service Worker

There is a famous saying in computer science:

"There are two hard problems in computer science: cache invalidation and naming things"

- Phil Karlton

The first one applies to debugging service workers. As discussed earlier, a service worker adds a caching layer between the network and the device. This inherently makes it hard to debug because when you update your service worker definition or the configuration of your website, your changes might very well be cached and thus not visible.

This is quite a well-known challenge while developing application with service worker support, so it's good to understand how to debug the service worker.

Angular provides several mechanisms for deactivating a service worker in case of unexpected behavior. These mechanisms are described in the Service Worker Safety...