[10주차/눈송이] 워크북 제출합니다. #111
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chxxwn04
reviewed
Dec 21, 2025
| const [selected, setSelected] = useState<Movie | null>(null); | ||
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| // ✅ params 객체를 useMemo로 고정 (불필요 렌더/호출 방지) | ||
| const params = useMemo( |
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검색 파라미터 객체를 useMemo로 고정하여, 렌더링마다 새로운 객체가 생성되는 문제를 방지해 params를 의존성으로 사용하는 useCallback(handleSubmit)이 불필요하게 재생성되지 않아, 훅 간의 의존 관계가 안정적으로 유지된 점이 좋은 것 같습니다.
Collaborator
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키워드 파일이 안 올라온것 같아요! 내용이 비어 있다고 뜹니다 |
sunnyinha
reviewed
Dec 22, 2025
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| const handleClickMovie = useCallback((movie: Movie) => { | ||
| setSelected(movie); | ||
| }, []); |
Collaborator
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handleClickMovie는 다수의 MovieCard에 전달되는 콜백이므로 useCallback으로 참조 안정성을 확보하고
의존성 배열을 정확히 관리해 불필요한 리렌더링과 stale closure 문제를 방지한 점이 좋네요!
Collaborator
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눈송이 마지막까지 열심히 미션 수행해주셔서 감사하고 데모데이까지 파이팅입니다! |
sunnyinha
approved these changes
Dec 22, 2025
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✅ 워크북 체크리스트
✅ 컨벤션 체크리스트
📌 주안점