how to push a array element in a single array object in react.js ? Help Plz

let {postDetail} = useParams();
    const url = `https://jsonplaceholder.typicode.com/posts/${postDetail}`;
    const [details, setDetails] = useState([]);
    useEffect(()=>{
        fetch(url)
        .then(res => res.json())
        .then(data => {
            setDetails(data => [...data, {"image":`${data.id}`}]);
        })

    },[]);