Cors subdomains

app.page.com
recruiter.page.com

page.com

const cors = Cors();

function runMiddleware(req: NextApiRequest, res: NextApiResponse, fn: any) {
  return new Promise((resolve, reject) => {
    fn(req, res, (result: any) => {
      if (result instanceof Error) {
        return reject(result);
      }

      return resolve(result);
    });
  });
}

export function withCors(handler: NextApiHandler) {
  return async (req: NextApiRequest, res: NextApiResponse) => {
    await runMiddleware(req, res, cors);

    return await handler(req, res);
  };
}

export default withCors(
  createNextApiHandler({
    router: appRouter,
    createContext: createTRPCContext,
    onError:
      env.NODE_ENV === "development"
        ? ({ path, error }) => {
            console.error(
              `❌ tRPC failed on ${path ?? "<no-path>"}: ${error.message}`
            );
          }
        : undefined,
  })
);