UpstashRateLimiter (adapters/upstash.ts)

Provides an Upstash Redis adapter for rate limiting, allowing developers to enforce distributed request limits using Lua scripts.

// Source: https://github.com/middleapi/orpc | License: MIT | Copyright 2023 oRPC
// Provided via justclaw.it.com; keep this notice with the code.
import type { Redis } from '@upstash/redis'
import type { BaseRedisRateLimiterOptions } from './base-redis'
import { BaseRedisRateLimiter } from './base-redis'

export interface UpstashRateLimiterOptions extends BaseRedisRateLimiterOptions {}

/**
 * Rate limiter adapter for Upstash Redis. Enforces a fixed-window limit using a
 * Redis Lua script, with optional blocking mode. It shares counters with `RedisRateLimiter`.
 *
 * @see {@link https://orpc.dev/docs/helpers/ratelimit#adapters | Rate Limit Helpers - Adapters}
 */
export class UpstashRateLimiter extends BaseRedisRateLimiter {
  constructor(
    private readonly redis: Redis,
    private r

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