PluralKit/src/Pages/MemberProfile.js

import React, { useCallback, useEffect, useState } from 'react';
import { useParams } from 'react-router-dom';
import  * as BS from 'react-bootstrap';

import Loading from '../Components/Loading';
import API_URL from '../Constants/constants';
import ProfilePage from '../Components/Public/ProfilePage';

const MemberProfile = () => {
    const { memberID } = useParams();

    const [isLoading, setIsLoading ] = useState(false);
    const [isError, setIsError ] = useState(false);
    const [isForbidden, setIsForbidden ] = useState(false);
    const [ member, setMember ] = useState({});

    const fetchMember = useCallback( () => {
        setIsLoading(true);
        setIsError(false);
    
         fetch(`${API_URL}m/${memberID}`,{
        method: 'GET',
        }).then ( res => {
          if (res.status === 403) {
            throw new Error('Access denied!');
          }
          return res.json()
        }
        ).then (data => { 
        setMember(data)
          setIsLoading(false);
      })
        .catch (error => {
          if (error.message === 'Access denied!') {
            setIsForbidden(true);
          } else {
            console.log(error);
            setIsError(true);
          }
          setIsLoading(false);
        })
      }, [memberID])
    
      useEffect(() => {
        fetchMember();
      }, [fetchMember])

      return (
          isLoading ? <Loading /> : isError ? 
          <BS.Alert variant="danger">Error fetching member.</BS.Alert> : isForbidden ? <BS.Alert variant="danger">This member is private.</BS.Alert> : <ProfilePage member={member} list={false}/>
      );
}

export default MemberProfile;