hub.js

var Hub = module.exports = function(options) {
  this.options = options;
  this.view.init(this);
};

require('./view');
require('./log');

index.js

var Hub = require('./hub');

var hub = new Hub({
  logging: true
});

hub.log()

log.js

var Hub = require('./hub');

Hub.prototype.log = function() {
  console.log('I am a Hub!\n', this);
};

view.js

var Hub = require('./hub');

Hub.prototype.view = {
  init: function(H) {
    H.view = {
      id: Math.random()
    };
  }
};