index.ts

const yesReasons = await Bun.file("yes.json").json();
const noReasons = await Bun.file("no.json").json();

const getRandom = (arr: string[]) =>
  arr[Math.floor(Math.random() * arr.length)];

const routes: Record<string, (req: Request) => Response> = {
  "/yes": () =>
    new Response(JSON.stringify({ reason: getRandom(yesReasons) }), {
      headers: { "Content-Type": "application/json" },
    }),
  "/no": () =>
    new Response(JSON.stringify({ reason: getRandom(noReasons) }), {
      headers: { "Content-Type": "application/json" },
    }),
  "/": () =>
    new Response(
      JSON.stringify({ reason: "Welcome to the Yes/No API! Try /yes or /no" }),
      { headers: { "Content-Type": "application/json" } }
    ),
};

Bun.serve({
  port: 3000,
  fetch(req) {
    const handler = routes[new URL(req.url).pathname];
    if (handler && req.method === "GET") return handler(req);
    return new Response(JSON.stringify({ reason: "Not Found" }), {
      headers: { "Content-Type": "application/json" },
      status: 404,
    });
  },
});

console.log("Yes/No Reason API is running on http://localhost:3000");