์์ ํ๊ธฐ ๊ตฌํ ์ค ์์ฑ์๋ฃ ๋ฒํผ์ ๋๋ฅด๋ฉด ์๋ฌด ๋ฆฌ์คํธ๋ ๋จ์ง ์์ต๋๋ค.
ํด๊ฒฐํ์ต๋๋ค!์๊ณ ๋ณด๋ reducer์์ update ๋ถ๋ถ return ๋ฐ์ ๋ [] ๋ก ๊ฐ์ธ๊ณ ์์๋ค์..function reducer(state, action) { switch (action.type) { case "CREATE": return [action.data, ...state]; case "UPDATE": return state.map((item) => String(item.id) === String(action.data.id) ? action.data : item ); case "DELETE": return state.filter((item) => String(item.id) !== String(action.id)); default: return state; } }