es6 example

Foo.js

'use strict';

import _                       from 'underscore'; // _ is white
import { EventEmitter }        from 'events'; // EventeEmitter is white
import logger                  from 'loglevel'; // logger is white


let emitter = new EventEmitter();

var Foo = function () {
};

_.extend(Foo.prototype, {

  send(method, data) { // send is white
    emitter.emit(method);
    this.bar(data); // bar is blue 
  },

  on(event, callback) { // on is white
    emitter.on(event,callback);
    // DO STUFF
  },

  bar(data) { // bar is white
    // DO STUFF
  }

});

export default Foo;