entity-ngxs-data.example.ts

@StateRepository()
@State({
    name: 'courses',
    defaults: createEntityCollections()
})
@Injectable()
export class CoursesEntitiesState extends NgxsDataEntityCollectionsRepository<Course> {}


@StateRepository()
@State({
    name: 'lessons',
    defaults: createEntityCollections()
})
@Injectable()
export class LessonEntitiesState extends NgxsDataEntityCollectionsRepository<Lesson> {}


@Component({
    selector: 'app'
    // ..
})
export class AppComponent implements OnInit {
    constructor(private courses: CoursesEntitiesState, private api: ApiCoursesService) {}

    public ngOnInit(): void {
        this.api.getCourses().subscribe((courses: Course[]) => {
            this.courses.setAll(courses);
        });
    }
}