import React from 'react'; import PropTypes from 'prop-types'; import SearchBar from './SearchBar'; import Directory from './Directory'; import Sort from './Sort'; const ListHeader = React.memo(({ searchLength, sortBy, onChangeSearchText, toggleSort, goDirectory }) => ( )); ListHeader.propTypes = { searchLength: PropTypes.number, sortBy: PropTypes.string, onChangeSearchText: PropTypes.func, toggleSort: PropTypes.func, goDirectory: PropTypes.func }; export default ListHeader;