What is the role of Angular core module?

Question

I read an article about organizing folders in Angular and the author uses one called core, in which he creates the core module and insert only services which will b

Answer 1

Generally Core module is used in order to keep all API services and other common services (like NotificationsService, ConfirmationService, AuthorizationService etc) that you have in your application in the providers[... ] section. Then, the app.module will use your core.module in the imports section.