chap05 LazyMulti.js

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  import { Suspense, lazy } from 'react';
 
const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
 
// 여러 컴포넌트 지연 로드
const LazyButton = lazy(() => sleep(2000).then(() => import('./LazyButton')));
const LazyButton2 = lazy(() => sleep(1000).then(() => import('./LazyButton2')));
 
export default function LazyMulti() {
  return (
    <Suspense fallback={<p>Now Loading...</p>}>
      <LazyButton />
      <LazyButton2 />
    </Suspense>
  );
}