feat: add named export (#201)

Author: nfriedly

readme.md

@@ -53,22 +53,22 @@ Import it in a CommonJS project (`type: commonjs` or no `type` field in
 `package.json`) as follows:
 
 ```ts
-const RedisStore = require('rate-limit-redis')
+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'
+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 { rateLimit } from 'express-rate-limit'
+import { RedisStore } from 'rate-limit-redis'
 import { createClient } from 'redis'
 
 // Create a `node-redis` client
@@ -97,8 +97,8 @@ 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 { rateLimit } from 'express-rate-limit'
+import { RedisStore } from 'rate-limit-redis'
 import RedisClient from 'ioredis'
 
 // Create a `ioredis` client

source/index.ts

@@ -5,4 +5,4 @@
 export * from './types.js'
 
 // Export the RedisStore class as the default export
-export { default } from './lib.js'
+export { default, RedisStore } from './lib.js'

source/lib.ts

@@ -46,7 +46,7 @@ const parseScriptResponse = (results: RedisReply): ClientRateLimitInfo => {
  * A `Store` for the `express-rate-limit` package that stores hit counts in
  * Redis.
  */
-class RedisStore implements Store {
+export class RedisStore implements Store {
 	/**
 	 * The function used to send raw commands to Redis.
 	 */

test/store-test.ts

@@ -5,7 +5,10 @@ import { createHash } from 'node:crypto'
 import { expect, jest } from '@jest/globals'
 import { type Options } from 'express-rate-limit'
 import MockRedisClient from 'ioredis-mock'
-import RedisStore, { type RedisReply } from '../source/index.js'
+import DefaultExportRedisStore, {
+	RedisStore,
+	type RedisReply,
+} from '../source/index.js'
 
 // The mock redis client to use.
 const client = new MockRedisClient()
@@ -196,4 +199,19 @@ describe('redis store test', () => {
 		expect(await client.get('rl:test-store-one')).toEqual(null)
 		expect(await client.get('rl:test-store-two')).toEqual(null)
 	})
+
+	it('default export works', async () => {
+		const store = new DefaultExportRedisStore({ sendCommand })
+		store.init({ windowMs: 10 } as Options)
+
+		const key = 'test-store'
+
+		const { totalHits } = await store.increment(key) // => 1
+
+		// Ensure the hit count is 1, and the expiry is 10 milliseconds (value of
+		// `windowMs`).
+		expect(totalHits).toEqual(1)
+		expect(Number(await client.get('rl:test-store'))).toEqual(1)
+		expect(Number(await client.pttl('rl:test-store'))).toEqual(10)
+	})
 })