@canmertinyo/rate-limiter-core/src/utils.ts

A simple rate-limiting middleware for Express.js with support for in-memory, Redis, and MongoDB storage

import { Request } from "express";

export const getIp = (req: Request): string => {
  return req.ip || (req.headers["x-forwarded-for"] as string) || "unknown";
};

export const getTimestamp = (): number => {
  return new Date().getTime();
};

export const isFunction = (object: any): boolean =>
  typeof object === "function";