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[fix] GraphQL params type 주의사항

export default () => {
  const { id } = useParams();
  console.log(id, typeof id); // xxxx string
  const { loading, data } = useQuery(GET_MOVIE, {
    variables: { id },
  });
};
  • useParams() hook 으로 URL 에서 추출하는 id 는 string type 이다
  • GraphQL Server schema 에 id 를 Int 로 정의해 두었는데, id 에 string 값을 보내므로 서버에서는 400 Bad Request 를 보낸다
  • Client 에서 useQuery() 를 내부에 id variables 를 보낼 때 Number 로 형변환해 보내주면 에러 해결
export default () => {
  const { id } = useParams();
  const { loading, data } = useQuery(GET_MOVIE, {
    variables: { id: Number(id) },
  });
};

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