Rate Limit Pro

Advanced rate limiting with multiple tiers and quota management.

Implementation

class RateLimiter {
  constructor(options = {}) {
    this.tiers = options.tiers || {
      free: { requests: 10, window: 60000 }, // 10 req/min
      basic: { requests: 100, window: 60000 },
      pro: { requests: 1000, window: 60000 }
    };
    this.requests = new Map();
  }