Injectecting appstate into app.component

app.component.ts

import { Observable } from 'rxjs/Rx';
import { Component, OnInit } from '@angular/core';

import { ITodoList } from './models/todoList';
import { ITodo } from './models/todo';

// ngrx
import { Store } from '@ngrx/store';
import { IAppState } from './models/appState';
import * as ListActions from './actions/list.actions';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.css']
})
export class AppComponent implements OnInit {
  todoStoreLists$: Observable<ITodoList[]>;
  todos: Observable<ITodo[]>;
  currentList: number = null;
  todoBeingEditted: ITodo = null;
  creating = false;

  get editButtonText(): string {
    return this.creating ? 'Create Todo' : 'Submit Edit';
  }

  constructor(
    private store: Store<IAppState>
  ) {
    this.todoStoreLists$ = this.store.select('todoLists');
  }

  ngOnInit() {
    this.store.dispatch(new ListActions.FetchList());
  }