import Avatar from '@material-ui/core/Avatar'; import Icon from '@material-ui/core/Icon'; import {makeStyles} from '@material-ui/core/styles'; import useProfile from '../../hooks/useProfile'; const UserIcon = () => { const {profile} = useProfile(); const classes = useStyles(); if (profile) return ( {`${profile.username[0]}`.toUpperCase()} ); else return more_vert; }; const useStyles = makeStyles(theme => ({ avatar: { width: theme.spacing(3), height: theme.spacing(3), fontSize: 16, }, })); export default UserIcon;