src/features/Post/lib/query/useDeletePost.tsx

import { useMutation, useQueryClient } from '@tanstack/react-query';
import { deletePost } from '../../api/deletePost';

export const useDeletePost = () => {
    const queryClient = useQueryClient();

    return useMutation({
        mutationFn: deletePost,
        onSuccess: () => {
            queryClient.invalidateQueries({ queryKey: ['fetchPosts'] });
        },
    });
};