Question 1

How do I set up ngx-auth in an Angular 20 project?

Accepted Answer

Install the package via npm, implement the NgxAuthService interface with your authentication logic (e.g., token retrieval and refresh), and use provideNgxAuthProviders in your app configuration. Check the example folder in the repository for a complete working setup.

Question 2

ngx-auth vs using Angular's built-in HTTP interceptors for authentication?

Accepted Answer

Ngx-auth builds on Angular's interceptors by providing a structured module with guards, token refresh, and redirect management, reducing boilerplate. While you can DIY with interceptors, ngx-auth offers a more integrated and standardized approach for common authentication patterns in Angular apps.

Question 3

How to handle token refresh errors with ngx-auth?

Accepted Answer

Implement error handling in your NgxAuthService for token refresh calls. The module triggers refresh based on configurations, but you need to manage API failures, such as logging users out or retrying, as the README doesn't specify built-in error strategies.

Question 4

Can ngx-auth work with Angular Universal for server-side rendering?

Accepted Answer

The README doesn't mention SSR support. Since it relies on client-side HTTP interceptors and tokens, you may need to adapt it for SSR by handling authentication on the server separately, which could add complexity and isn't documented.

Question 5

How to customize authentication headers for different APIs in ngx-auth?

Accepted Answer

Override the getHeaders method in your NgxAuthService implementation to return custom headers. This allows you to modify the Authorization header or add additional headers based on specific API requirements, as noted in the README's customization section.

Question 6

Is ngx-auth good for large enterprise apps with complex state?

Accepted Answer

It provides core authentication features but may need integration with state management libraries like NgRx or Akita for syncing auth state across the app. The lack of built-in state handling could require additional setup and isn't addressed in the documentation.

@serhiisol/ngx-auth

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