Rate limit for Node.js, with ioredis client
npm install @aftership/rate-limiter
The client must be an instance of ioredis library.
const Limiter = require('@aftership/rate-limiter');
const Redis = require('ioredis');
const redisClient = new Redis({
port: 6379,
host: '127.0.0.1',
db: 0
});
redisClient.on('connect', (err) => {
if (err) {
console.log(err);
return;
}
// limit to 2 request per every 10s
const limiter = new Limiter({
redisClient,
key: 'the-user-api-key',
limit: 2, // default is 10
duration: 10 // default is 60s
});
limiter
.get()
.then((result) => {
console.log(result);
if (result.remaining >= 0) {
console.log('I can do the request!');
} else {
console.log(`I run out of limit! Try again after ${result.reset} second.`);
}
process.exit(0);
})
.catch((e) => {
console.log(e);
});
});Please refer to release page
Copyright (c) 2019 AfterShip
Licensed under the MIT license.