Testing the PWA capabilities

In this section, we’ll try to test the service worker registration for our HealthCheck app. Unfortunately, doing it from a Visual Studio development environment is a rather complex task for several reasons, including the following:

• ng serve, the Angular CLI command that pre-installs the packages and starts the app whenever we run our app in debug mode, doesn’t support service workers
• The service worker registration tasks that we put in the AppModule class a while ago only register it when the app is running in a production environment
• The required static files generated by the Angular CLI using the angular.json configuration file that we modified earlier on will only be available in production environments

However, we can easily work around these limitations by compiling our Angular app for production and then running the generated files with a separate, dedicated HTTP server.

In the following sections...