tracing event emitter

gistfile1.js

var inherits      = require('util').inherits;
var EventEmitter  = require('events').EventEmitter;
var debug         = require('debug')('emitter');
var sliced        = require('sliced');

function Dummy() {
  EventEmitter.call(this);
}

inherits(Dummy, EventEmitter);

Dummy.prototype._emit = function() {
  var args = sliced(arguments);
  debug('emit: ' + args);
  this.emit.apply(this, args);
};

Dummy.prototype.read = function() {
  this._emit('read');
};

Dummy.prototype.write = function(data) {
  this._emit('write', data);
};

//
//
//

var test = new Dummy();

test.on('read', function() {
  console.log('read');
});

test.on('write', function(data) {
  console.log('write', data);
});

test.read();
test.read();
test.write('hello');
test.write('ahahah');
test.read();