DraggableListItems.tsx

export default (props: IDraggableListItems) =>
  <div> {props.items.map(toNumberBox)} </div>

function toNumberBox(item: INumberItemProps, position: number) {
  return <NumberBox key={item.id} 
                    className="box" 
                    itemPosition={position} 
                    value={item.id} 
                    content={item.content} />
}