npm install pulsar-client

 npm install pulsar-node

Pulsar.init({
  serviceUrl: 'pulsar+ssl://localhost:6651',
  tlsTrustCertsFilePath: '/path/to/server.crt',
  auth : {
    tls : {
      certificatePath: '/path/to/client.crt',
      privateKeyPath: '/path/to/client.key'
    }
  }
});

Pulsar.init({
  serviceUrl: 'pulsar://localhost:6650',
  auth : {
    token : 'a.b.c'
  }
});

Pulsar.init({
  serviceUrl : 'pulsar://localhost:6650'
}).then( pulsar =>{
  // ready to use
}, error =>{
  // something wrong happen
});

pulsar.send({
  topic   : 'persistent://public/default/my-topic',
  message : 'hello world'
}).then( seccess => {
  // Message was sent
}, error => {
  // Something wrong happen
});

let consumer = pulsar.addConsumer('persistent://public/default/my-topic', { subscription : 'sub1' });

consumer.on('message', message => {

  console.log('The message data', {
    id           : message.getMessageId().toString(),
    topicName    : message.getTopicName(),
    properties   : message.getProperties(),
    data         : message.getData().toString(),
    partitionKey : message.getPartitionKey(),
  });

  consumer.acknowledge(message);
});

consumer.on('error', error =>{
  // Something wrong happen
});

pulsar.close().then( closed =>{
  // all is closed
}, error =>{
  // Something wrong happen
});