`rate-limit-redis`

A [`redis`](https://github.com/redis/redis) store for the [`express-rate-limit`](https://github.com/nfriedly/express-rate-limit) middleware.

## Installation From the npm registry: ```sh # Using npm > npm install rate-limit-redis # Using yarn or pnpm > yarn/pnpm add rate-limit-redis ``` From Github Releases: ```sh # Using npm > npm install https://github.com/express-rate-limit/rate-limit-redis/releases/download/v{version}/rate-limit-redis.tgz # Using yarn or pnpm > yarn/pnpm add https://github.com/express-rate-limit/rate-limit-redis/releases/download/v{version}/rate-limit-redis.tgz ``` Replace `{version}` with the version of the package that you want to use, e.g.: `3.0.0`. ## Usage ### Importing This library is provided in ESM as well as CJS forms, and works with both Javascript and Typescript projects. **This package requires you to use Node 16 or above.** Import it in a CommonJS project (`type: commonjs` or no `type` field in `package.json`) as follows: ```ts const { RedisStore } = require('rate-limit-redis') ``` Import it in a ESM project (`type: module` in `package.json`) as follows: ```ts import { RedisStore } from 'rate-limit-redis' ``` ### Examples To use it with a [`node-redis`](https://github.com/redis/node-redis) client: ```ts import { rateLimit } from 'express-rate-limit' import { RedisStore } from 'rate-limit-redis' import { createClient } from 'redis' // Create a `node-redis` client const client = createClient({ // ... (see https://github.com/redis/node-redis/blob/master/docs/client-configuration.md) }) // Then connect to the Redis server await client.connect() // Create and use the rate limiter const limiter = rateLimit({ // Rate limiter configuration windowMs: 15 * 60 * 1000, // 15 minutes max: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes) standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers legacyHeaders: false, // Disable the `X-RateLimit-*` headers // Redis store configuration store: new RedisStore({ sendCommand: (...args: string[]) => client.sendCommand(args), }), }) app.use(limiter) ``` To use it with a [`ioredis`](https://github.com/luin/ioredis) client: ```ts import { rateLimit } from 'express-rate-limit' import { RedisStore } from 'rate-limit-redis' import RedisClient from 'ioredis' // Create a `ioredis` client const client = new RedisClient() // ... (see https://github.com/luin/ioredis#connect-to-redis) // Create and use the rate limiter const limiter = rateLimit({ // Rate limiter configuration windowMs: 15 * 60 * 1000, // 15 minutes max: 100, // Limit each IP to 100 requests per `window` (here, per 15 minutes) standardHeaders: true, // Return rate limit info in the `RateLimit-*` headers legacyHeaders: false, // Disable the `X-RateLimit-*` headers // Redis store configuration store: new RedisStore({ // @ts-expect-error - Known issue: the `call` function is not present in @types/ioredis sendCommand: (...args: string[]) => client.call(...args), }), }) app.use(limiter) ``` ### Configuration #### `sendCommand` The function used to send commands to Redis. The function signature is as follows: ```ts ;(...args: string[]) => Promise | number ``` The raw command sending function varies from library to library; some are given below: | Library | Function | | ------------------------------------------------------------------ | ----------------------------------------------------------------- | | [`node-redis`](https://github.com/redis/node-redis) | `async (...args: string[]) => client.sendCommand(args)` | | [`ioredis`](https://github.com/luin/ioredis) | `async (...args: string[]) => client.call(...args)` | | [`handy-redis`](https://github.com/mmkal/handy-redis) | `async (...args: string[]) => client.nodeRedis.sendCommand(args)` | | [`tedis`](https://github.com/silkjs/tedis) | `async (...args: string[]) => client.command(...args)` | | [`redis-fast-driver`](https://github.com/h0x91b/redis-fast-driver) | `async (...args: string[]) => client.rawCallAsync(args)` | | [`yoredis`](https://github.com/djanowski/yoredis) | `async (...args: string[]) => (await client.callMany([args]))[0]` | | [`noderis`](https://github.com/wallneradam/noderis) | `async (...args: string[]) => client.callRedis(...args)` | #### `prefix` The text to prepend to the key in Redis. Defaults to `rl:`. #### `resetExpiryOnChange` Whether to reset the expiry for a particular key whenever its hit count changes. Defaults to `false`. ## License MIT © [Wyatt Johnson](https://github.com/wyattjoh), [Nathan Friedly](https://nfriedly.com), [Vedant K](https://github.com/gamemaker1)

	Stars	Issues	Version	Updated	Created
express-limiter	421	21	1.6.1	7 years ago	10 years ago
limiter	1,483	18	2.1.0	3 years ago	12 years ago
rate-limit-redis	178	5	4.2.0	6 months ago	8 years ago
ratelimiter	718	10	3.4.1	4 years ago	11 years ago
redis	16,704	325	4.6.14	a day ago	13 years ago

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