You are reading the documentation for the next version of discord.js. Documentation for v13/v14+ has been moved to old.discordjs.dev

About

@discordjs/brokers is a powerful set of message brokers

Installation

Node.js 18 or newer is required.

npm install @discordjs/brokers
yarn add @discordjs/brokers
pnpm add @discordjs/brokers
npm install @discordjs/brokers
yarn add @discordjs/brokers
pnpm add @discordjs/brokers

Example usage

pub sub

// publisher.js
import { PubSubRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new PubSubRedisBroker({ redisClient: new Redis() });

await broker.publish('test', 'Hello World!');
await broker.destroy();

// subscriber.js
import { PubSubRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new PubSubRedisBroker({ redisClient: new Redis() });
broker.on('test', ({ data, ack }) => {
console.log(data);
void ack();
});

await broker.subscribe('subscribers', ['test']);
// publisher.js
import { PubSubRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new PubSubRedisBroker({ redisClient: new Redis() });

await broker.publish('test', 'Hello World!');
await broker.destroy();

// subscriber.js
import { PubSubRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new PubSubRedisBroker({ redisClient: new Redis() });
broker.on('test', ({ data, ack }) => {
console.log(data);
void ack();
});

await broker.subscribe('subscribers', ['test']);

RPC

// caller.js
import { RPCRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new RPCRedisBroker({ redisClient: new Redis() });

console.log(await broker.call('testcall', 'Hello World!'));
await broker.destroy();

// responder.js
import { RPCRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new RPCRedisBroker({ redisClient: new Redis() });
broker.on('testcall', ({ data, ack, reply }) => {
console.log('responder', data);
void ack();
void reply(`Echo: ${data}`);
});

await broker.subscribe('responders', ['testcall']);
// caller.js
import { RPCRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new RPCRedisBroker({ redisClient: new Redis() });

console.log(await broker.call('testcall', 'Hello World!'));
await broker.destroy();

// responder.js
import { RPCRedisBroker } from '@discordjs/brokers';
import Redis from 'ioredis';

const broker = new RPCRedisBroker({ redisClient: new Redis() });
broker.on('testcall', ({ data, ack, reply }) => {
console.log('responder', data);
void ack();
void reply(`Echo: ${data}`);
});

await broker.subscribe('responders', ['testcall']);

Contributing

Before creating an issue, please ensure that it hasn't already been reported/suggested, and double-check the documentation.
See the contribution guide if you'd like to submit a PR.

Help

If you don't understand something in the documentation, you are experiencing problems, or you just need a gentle nudge in the right direction, please don't hesitate to join our official discord.js Server.