user-detail.ts

export const USER_DETAIL = new InjectionToken<Observable<User>>(
    'A stream with current user detail'
);

export const USER_PROVIDERS: Provider[] = [
    {
        provide: USER_DETAIL,
        deps: [ActivatedRoute, UserService],
        useFactory: userFactory,
    },
];

export function userFactory(
    route: ActivatedRoute,
    userService: UserService
): Observable<User> {
    return route.paramMap.pipe(
        switchMap((params) => {
            const id = params.get('orgId');
            return userService.getById$(id);
        })
    );
}