[React] react-jsx-dev-runtime.development.js:117 Warning: Failed prop type: The prop `genres` is marked as required in `Movie`, but its value is `undefined`.

문제상황: 노마드 코더의 ReactJS로 영화 웹 서비스 만들기의 #7.5 React Router 부분에서 에러로그가 뜨며 로딩화면이후의 path="/" route의 Home 컴포넌트가 제대로 실행되지 않았다. 해결방법: import PropTypes from "prop-types"; import { Link } from "react-router-dom"; function Movie({ coverImg, title, summary, genres }) { if(genres){ return ( {title} {summary} {genres.map((g) => ( {g} ))} );}else{ return ( {title} {summary} 장르 없음 ); } } Movie.propTypes = { cover..

원문링크 : [React] react-jsx-dev-runtime.development.js:117 Warning: Failed prop type: The prop `genres` is marked as required in `Movie`, but its value is `undefined`.