auth-ngxs.example.ts

@Injectable()
export class TokenInterceptor {
  constructor(private store: Store) {}

  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
    const token: string | null = this.store.selectSnapshot(AuthState.token);
    
    if (token) {
      req = req.clone({
        setHeaders: {
          Authorization: `Bearer ${token}`,
        },
      });
    }

    return next.handle(req);
  }
}