import React from "react"; import Detail from "../components/Detail"; import List from "../components/List"; import { DetailedBook, SimpleBook, getBook, getAllBooks } from "../lib/books"; export default function Playground(props: Props) { return (

Detail


List


); } export async function getServerSideProps() { return { props: { book: await getBook(44), books: await getAllBooks(), }, }; } interface Props { book: DetailedBook; books: SimpleBook[]; }