gistfile1.js

var express = require('express')
  , HTTPServer = express.HTTPServer
  , HTTPSServer = express.HTTPSServer;


exports.step = function(fn) {
  (this._bootStack = this._bootStack || []).push(fn);
};

exports.boot = function(fn) {
  var self = this
    , stack = this._bootStack
    , step
    , i = 0;
  
  (function next(err) {
    
    if ((step = stack[i++]) && !err) {
      step(self, next, module.parent.exports);
    } else {
      return fn(err);
    }
    
  })();
};


for (var key in exports) {
  var desc = Object.getOwnPropertyDescriptor(exports, key);
  Object.defineProperty(HTTPServer.prototype, key, desc);
  Object.defineProperty(HTTPSServer.prototype, key, desc);
}