import { Request } from 'express';

export const ipFromRequest = (req: Request): string | undefined => {
  const flyIp = req.headers['fly-client-ip'] as string | undefined;
  const forwardedFor = (req.headers['x-forwarded-for'] as string)?.split(
    ',',
  )[0];
  return flyIp || forwardedFor || req.ip;
};