Slide 19
Slide 19 text
type UserId = string;
type BookId = string;
async function fetchBook(id: BookId): Promise {
//
}
export function BookCard(): JSX.Element {
const [book, setBook] = useState(null);
useEffect(() => {
(async (): Promise => {
const result = await fetchBook();
setBook(result);
})();
}, []);
return <>>;
}
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͏