home.state.ts

import { State, Action, StateContext } from '@ngxs/store';
import { Open } from './actions/home.actions';

interface IHomeState {
  isOpen: boolean;
}

@State<IHomeState>({
  name: 'home',
  defaults: {
    isOpen: false
  }
})
export class HomeState {
  @Action(Open)
  open(ctx: StateContext<IHomeState>) {
    const state = ctx.getState();
    ctx.setState({
      ...state,
      isOpen: true
    });
  }
}