Function updatePost

packages/shared/src/hooks/useUpdatePost.ts:15–36

(props: UpdateData)

  const updatePost =
    (props: UpdateData): MutateFunc<UpdateData> =>
    async () => {
      const postQueryKey = getPostByIdKey(props.id);
      await client.cancelQueries({ queryKey: postQueryKey });
      const oldPost = client.getQueryData<PostData>(postQueryKey);

      if (!oldPost) {
        // nothing in cache so we skip any update

        return () => undefined;
      }

      client.setQueryData<PostData>(postQueryKey, {
        post: {
          ...oldPost.post,
          ...props.update,
        },
      });
      return () => {
        client.setQueryData<PostData>(postQueryKey, oldPost);
      };
    };

  return {
    updatePost,