refactor(windowTime): a little smaller
refactor(windowTime): a little smaller

kwonoj/RxJS,ReactiveX/rxjs,kwonoj/RxJS,martinsik/rxjs,ReactiveX/RxJS,benlesh/RxJS,benlesh/RxJS,martinsik/rxjs,kwonoj/RxJS,martinsik/rxjs,martinsik/rxjs,ReactiveX/rxjs,ReactiveX/rxjs,ReactiveX/RxJS,benlesh/RxJS,ReactiveX/RxJS,ReactiveX/rxjs,ReactiveX/RxJS,benlesh/RxJS,kwonoj/RxJS