query.ts

shopping-query.ts

import { Injectable } from '@angular/core';
import { QueryEntity } from '@datorama/akita';
import { ListStore, ItemStore, ListState, ItemState } from './shopping-list.store';
import { List, Item } from './shopping-list.model';

@Injectable({
  providedIn: 'root'
})
export class ListQuery extends QueryEntity<ListState, List> {

  constructor(protected store: ListStore) {
    super(store);
  }

}
  
  export class ItemQuery extends QueryEntity<ItemState, Item> {
    constructor(protected store: ItemStore) {
    super(store);
    }
  }