up/down arrow key issue with typeahead control (angular bootstrap UI)

Question

Check this PLNKR , i have implemented typeahead control, By default in type ahead control they are not setting any max-height or height to list, but as per

Answer 1

@user1690588 answer works great. Only problem is that when the last item in the list is active and you press the down key. the scrollToView tothe first item does not work. I added a check to ensure newVal is true which seems to fix this.

  if (newVal) { 
    element[0].scrollIntoView(false);
  }

http://plnkr.co/edit/05yoHSlhvX740tgiRRXm