Class TokenBucketRateLimiter

Example

const limiter = new TokenBucketRateLimiter({
  maxRequests: 100,
  windowMs: 60000, // 100 requests per minute
  keyPrefix: 'api'
});

// Check and consume
try {
  const result = await limiter.consume('user:123');
  console.log(`Remaining: ${result.remaining}`);
} catch (error) {
  if (error instanceof RateLimitExceededError) {
    console.log(`Rate limit exceeded. Retry after ${error.result.retryAfter}ms`);
  }
}

// Block abusive key
await limiter.block('user:456', 300000); // Block for 5 minutes
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