He threw his knapsack over the brick wall
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로그인 페이지마다 체크
const id = useSelector((state)=> state.user.me && state.user.me.id);const id = useSelector((state)=> state.user.me?.id);있나없나 의심되는 부분은 ? 로 옵셔널체이닝을 한다
2022년 1월 9일
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