serviceBus.js

var bus = servicebus.bus({
  url: "amqp://user:pass@localhost:5672, //RabbitMQ or any other AMQP supporting service
})

//Export the bus so that somewhere else can listen

//In component A - This can be on a different physica/virtual server
bus.subscribe('my.event', function (event) {
  
  bus.publish('my.event.conclusion', { something: 'happened' });
});

//In component B - This can be on a different physica/virtual server
bus.subscribe('my.event.conclusion', function (event) {

});

//In component C - This can be on a different physica/virtual server
//Maybe I care about all of these types of events
bus.subscribe('my.*', function (event) {
  //Log or do something
});