CODE EXAMPLE FOR JAVASCRIPT

using map in useeffect

import React, { useState, useEffect } from 'react';
import axios from 'axios';
import './App.css';
import CharacterMap from './characterMap'

const App = () => {
  let [chars, setChars] = useState([]);
  useEffect(async () => {
    try{ 
      let response = await axios.get(`https://swapi.co/api/people/`)
      let data = await response.json();
      setChars(data);
    } catch(error) {
       console.error(error.message);
    }
  },[]);
 // If you want to access the updated state then use this.
  useEffect(() => {
     let newState = chars.map((e) => e); // map your state here
     setChars(newState); // and then update the state
     console.log(newState);
  },[getChars]);

  return (

    <div className="App">
      <CharacterMap info={chars} />
    </div>
  );
}
export default App;