next-page-rendering/pages/static-site-generation.tsx at main · addyosmani/next-page-rendering · GitHub

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// Next.js libraries
import Head from "next/head";

// Custom Components
import BackToHome from "components/BackToHome";

// Page component
export default function StaticSideGeneration({ jsonData }) {
  return (
    <>
      <Head>
        <title>Static-Site Generation (SSG) • Guy Dumais</title>
        <meta
          name="description"
          content="Example page using Static-Site Generation (SSG) with Next.js 12 and React 17"
        />
        <meta name="viewport" content="initial-scale=1.0, width=device-width" />
      </Head>
      <BackToHome />
      <h1>Static-Site Generation (SSG)</h1>
      <p>
        Data fetched at build-time on the server-side before sending to the
        client.
      </p>
      <ul>
        {jsonData.data.map((e) => (
          <li key={e.id}>{e.email}</li>
        ))}
      </ul>
    </>
  );
}

// This function gets called at build time on server-side.
// It won't be called on client-side, so you can even do
// direct database queries.
export async function getStaticProps() {
  const res = await fetch("https://reqres.in/api/users?page=2");
  const jsonData = await res.json();

  return {
    props: {
      jsonData, // will be passed to the page component as props
    },
  };
}