rsnext/examples/with-temporal/pages/index.tsx

import Link from "next/link";
import Layout from "../components/Layout";
import { Data } from "./api/orders";

const IndexPage = () => (
  <Layout title="Home | Next.js + Temporal Example">
    <h1>Hello Next.js 👋</h1>

    <button
      onClick={async () => {
        const newOrder = { itemId: "B102", quantity: 2 };
        const response = await fetch("/api/orders", {
          method: "POST",
          headers: { Authorization: "session-id-or-jwt" },
          body: JSON.stringify(newOrder),
        });
        const data: Data = await response.json();
        console.log(data);
        alert(data.result);
      }}
    >
      Create order
    </button>

    <p>
      <Link href="/about">About</Link>
    </p>
  </Layout>
);

export default IndexPage;