Open Library Api

async function fetchImage(url) {
    const img = new Image();
    return new Promise((res, rej) => {
        img.onload = () => res(img);
        img.onerror = e => rej(e);
        img.src = url;
    });
}
const img = await fetchImage('https://covers.openlibrary.org/b/id/12547191-L.jpg');
const w = img.width;
const h = img.height;