simple-check-option-1.ts

@Component({
  selector: 'simple-check-option',
  template: `
    <label>
      <input type="checkbox" [formControl]="control">
      {{ label }}
    </label>
  `
})
export class SimpleCheckOptionComponent {

  @Input() value: any;
  @Input() label: string;

  public control = new FormControl(false);

  get valueChanges$(): Observable<boolean> {
    return this.control.valueChanges;
  }

}