import React from 'react';
import usePromise from './usePromise';

const wait = () => {
  // 3초 후에 끝나는 프로미스를 반환
  return new Promise(resolve =>
    setTimeout(() => resolve('Hello hooks!'), 3000)
  );
};
const UsePromiseSample = () => {
  const [loading, resolved, error] = usePromise(wait, []);

  if (loading) return <div>로딩중..!</div>;
  if (error) return <div>에러 발생!</div>;
  if (!resolved) return null;

  return <div>{resolved}</div>;
};

export default UsePromiseSample;