React
state 불변성을 지켜라(댓글 달기)
삐옹
2022. 6. 16. 17:42
const DetailComment = ({ boardId }) => {
const [newComment, setNewComment] = useState("");
const [commentArray, setCommentArray] = useState([]);
const updateComment = (e) => {
setNewComment(e.target.value);
};
const handleSubmit = (e) => {
e.preventDefault();
const currentKey = localStorage.getItem("jwt-token");
if (newComment === "") {
alert("내용을 입력해주세요");
} else {
axios
.post(
`http://3.39.223.175/api/board/${boardId}/comment/`,
{ comment: newComment },
{
headers: {
"Content-Type": `application/json`,
Authorization: `Bearer ${currentKey}`,
},
}
)
.then((response) => {
const nicknameData = response.data.createComment.nickname;
const commentData = response.data.createComment.comment;
setCommentArray((commentValueList) => [
...commentValueList,
{
nickname: nicknameData,
comment: commentData,
},
]);
})
.catch((error) => {
console.log(error);
});
}
setNewComment("");
};
return (
...
)
};
문제
댓글 달기
axios를 통해 받아온 객체 데이터를 어떻게 state 값에 업데이트 할까?
조건
- 댓글의 내역을 모두 조회할 수 있어야 합니다