Method _handleArrowDown

packages/main/src/ComboBox.ts:964–983

(e: KeyboardEvent, indexOfItem: number)

	}

	_handleArrowDown(e: KeyboardEvent, indexOfItem: number) {
		const isOpen = this.open;

		if (this.focused && indexOfItem === -1 && isOpen) {
			this.focused = false;
		}

		const allItems = this._getItems();
		const currentItem = allItems[indexOfItem];
		const isLastItem = indexOfItem === allItems.length - 1;

		// We don't want to navigate further if the current item is the last one and either is already focused or the popover is closed
		if (isLastItem && ((isOpen && currentItem.focused) || !isOpen)) {
			return;
		}

		const itemIndexToBeFocused = isLastItem ? indexOfItem : indexOfItem + 1;

		this._handleItemNavigation(e, itemIndexToBeFocused, true /* isForward */);
	}

	_handleArrowUp(e: KeyboardEvent, indexOfItem: number) {
		const isOpen = this.open;