import React from 'react'; import { Dropdown, DropdownToggle } from '@breakaway/preact-core/deprecated'; export const DropdownBasicPanel: React.FunctionComponent = () => { const [isOpen, setIsOpen] = React.useState(false); const onToggle = (_event: any, isOpen: boolean) => { setIsOpen(isOpen); }; const onFocus = () => { const element = document.getElementById('toggle-panel'); element?.focus(); }; const onSelect = () => { setIsOpen(false); onFocus(); }; return ( Expanded dropdown } isOpen={isOpen} > [Panel contents here] ); };