Function cors

examples/backend-adapters/server/src/cf-worker.ts:12–18

(res?: Response)

}

const cors = (res?: Response) => {
  if (!res) res = new Response(null, { status: 204 });
  res.headers.set("Access-Control-Allow-Origin", "*");
  res.headers.set("Access-Control-Allow-Methods", "GET, POST");
  res.headers.set("Access-Control-Allow-Headers", "*");
  return res;
};

const handler = async (request: Request, env: Env, ctx: ExecutionContext) => {
  const handler = createRouteHandler({