ngOnInit() {
  this.store.select(selectors.selectCustomer)
    .subscribe((customer) = > {
      this.customerIsCool = customer.supports === 'Southend'; <- Leak
  });
});

@Effect() loadSomeData$ Observable;
constructor(private actions$: Actions, private store$: Store) {
this.loadSomeData$: Observable = this.actions$
  .ofType(actions.LOAD_DATA)
  .withLatestFrom(this.store$)
  .switchMap(([action, state]) => {
    const currentState = selectors.selectSomeState(state);
    const loading = selectors.selectLoading(state);
    if (currentState || loading) {
      // We either already have the state in the store,
      // or are already loading, so there is no need to
      // kick off another API call
      return empty();
     }
      return doApiCall()
         .map((response: LoadDataResponse) => {
            return new actions.Success(response);
         })
         .catch(() => of(new actions.Failed()));
       });