@srsl/tools/constructors/Rmq.js

JavaScript tools for common interfaces

const ampqlib = require('amqplib')

class Rmq {
  constructor({ url, ...options }) {
    this.ampqlib = ampqlib
    this.REPLY_QUEUE = 'amq.rabbitmq.reply-to' || options.replyQueue
    this.url = url
    this.options = options
    Object.entries(options).forEach(([k, v]) => {this[k] = v})
  }

  async open() {
    return ampqlib.connect(this.url || process.env.AMPQ_URL || process.env.RMQ_URL || 'amqp://127.0.0.1:5672/')
  }

  async sendToQueue(queue, pattern, data, options = {}) {
    const connection = await this.open()
    const channel = await connection.createConfirmChannel()
    const result = await channel.sendToQueue(queue, new Buffer.from(JSON.stringify({
      pattern,
      data,
    })))
  }

  async emit(...args) {
    return this.sendToQueue(...args)
  }

}

module.exports = Rmq