var jackrabbit = require('jackrabbit');
var rabbit = jackrabbit(process.env.RABBIT_URL);

rabbit
  .default()
  .publish('Hello World!', { key: 'hello' })
  .on('drain', rabbit.close);

var jackrabbit = require('jackrabbit');
var rabbit = jackrabbit(process.env.RABBIT_URL);

rabbit
  .default()
  .queue({ name: 'hello' })
  .consume(onMessage, { noAck: true });

function onMessage(data) {
  console.log('received:', data);
}

var jackrabbit = require('jackrabbit');
var rabbit = jackrabbit(process.env.RABBIT_URL);

rabbit
  .default()
  .queue({ name: 'important_job' })
  .consume(function(data, ack, nack, msg) {

    // process data...
    // and ACK on success
    ack();

    // or alternatively NACK on failure
    // NOTE: this will requeue automatically
    nack();
   
    // or, if you want to nack without requeue:
    nack({
      requeue: false
    });
  })