handleRateLimits (app/limits.ts)

Utility to set rate limit environment variables from config, mapping keys to process.env.

// Source: https://github.com/danny-avila/librechat | License: MIT | Copyright 2026 LibreChat
// Provided via justclaw.it.com; keep this notice with the code.
import { RateLimitPrefix } from 'librechat-data-provider';
import type { TCustomConfig } from 'librechat-data-provider';

/**
 *
 * @param rateLimits
 */
export const handleRateLimits = (rateLimits?: TCustomConfig['rateLimits']): void => {
  if (!rateLimits) {
    return;
  }

  const rateLimitKeys = {
    agentEvents: 'AGENT_EVENT',
    fileUploads: RateLimitPrefix.FILE_UPLOAD,
    conversationsImport: RateLimitPrefix.IMPORT,
    tts: RateLimitPrefix.TTS,
    stt: RateLimitPrefix.STT,
    emailChange: RateLimitPrefix.EMAIL_CHANGE,
    emailChangeConfirm: RateLimitPrefix.EMAIL_CHANGE_CONFIRM,
  };

  Object.entries(rateLimitKeys).for

... (truncated -- full source via MCP)