import React from "react"; import PropTypes from "prop-types"; import { Button } from "./Button"; import "./header.css"; export const Header = ({ user, onLogin, onLogout, onCreateAccount }) => (

Acme

{user ? (
); Header.propTypes = { user: PropTypes.shape({}), onLogin: PropTypes.func.isRequired, onLogout: PropTypes.func.isRequired, onCreateAccount: PropTypes.func.isRequired, }; Header.defaultProps = { user: null, };