Modular Javascript Blog Post (http://weavingcode.blogspot.com/2012/04/modular-javascript.html)

app-controllers-house_controller.js

window.require.define("app/controllers/house_controller": function(exports, require, module) {
  var HouseController = function(house) {
    //initializer
    this.house = house;
  };

  HouseController.prototype.render = function() {
    //rendering...
  };

  HouseController.prototype.save = function() {
    //save house
  };

  module.exports = HouseController;
});

app-models-door.js

window.require.define("app/models/door": function(exports, require, module) {
  var Door = function(color) {
    this.color = color;
  };

  module.exports = Door;
});

app-models-house.js

window.require.define("app/models/house": function(exports, require, module) {
  var House = function(address) {
    this.address = address;
    this.doors = {};
    this.windows = {};
  };

  House.prototype.addDoor = function(door, location) {
    this.doors[location] = door;
  };

  House.prototype.addWindow = function(window, location) {
    this.windows[location] = window;
  };

  module.exports = House;
});

app-models-window.js

window.require.define("app/models/window": function(exports, require, module) {
  // private util used only here and scoped by the closure
  var convertSize = function(size) {
    return size * 2
  };

  var Window = function(size) {
    this.size = convertSize(size);
  };

  module.exports = Window;
});

house-app.js

(function() {
  // initial 
  this.HouseApp = {
    Models: {},
    Controllers: {}
  };

  var House = HouseApp.Models.House = function(address) {
    this.address = address;
    this.doors = {};
    this.windows = {};
  };

  House.prototype.addDoor = function(door, location) {
    this.doors[location] = door;
  };

  House.prototype.addWindow = function(window, location) {
    this.windows[location] = window;
  };

  HouseApp.Models.Door = function(color) {
    this.color = color;
  };

  // private util used only here and scoped by the closure
  var convertSize = function(size) {
    return size * 2
  };

  HouseApp.Models.Window = function(size) {
    this.size = convertSize(size);
  };

  var HouseController = HouseApp.Controllers.HouseController = function(house) {
    //initializer
    this.house = house;
  };

  HouseController.prototype.render = function() {
    //rendering...
  };

  HouseController.prototype.save = function() {
    //save house
  };
}).call(window);

house-initializer.js

(function() {

  this.HouseApp = function() {
    var house = new window.HouseApp.Models.House;
    var aWindow = new window.HouseApp.Models.Window(52);
    var aDoor = new window.HouseApp.Models.Door(32);

    house.addDoor(aDoor);
    house.addWindow(aWindow);

    this.houseContoller = new window.HouseApp.Controllers.HouseController(house);
  };

}).call(window);

house_app.js

window.require.define("house_app": function(exports, require, module) {
  var Window = require("app/models/window");
  var Door = require("app/models/door");
  var House = require("app/models/house");
  var HouseController = require("app/controllers/home_controller");

  var HouseApp = function() {
    var house = new House;
    var aWindow = new Window(52);
    var aDoor = new Door(32);

    house.addDoor(aDoor);
    house.addWindow(aWindow);

    this.houseContoller = new HouseController(house);
  };

  module.exports = HouseApp
});

stitch-header.js

(function(/*! Stitch !*/) {
  if (!this.require) {
    var modules = {}, cache = {}, require = function(name, root) {
      var path = expand(root, name), indexPath = expand(path, './index'), module, fn;
      module   = cache[path] || cache[indexPath]      
      if (module) {
        return module;
      } else if (fn = modules[path] || modules[path = indexPath]) {
        module = {id: path, exports: {}};
        cache[path] = module.exports;
        fn(module.exports, function(name) {
          return require(name, dirname(path));
        }, module);
        return cache[path] = module.exports;
      } else {
        throw 'module ' + name + ' not found';
      }
    }, expand = function(root, name) {
      var results = [], parts, part;
      if (/^\.\.?(\/|$)/.test(name)) {
        parts = [root, name].join('/').split('/');
      } else {
        parts = name.split('/');
      }
      for (var i = 0, length = parts.length; i < length; i++) {
        part = parts[i];
        if (part == '..') {
          results.pop();
        } else if (part != '.' && part != '') {
          results.push(part);
        }
      }
      return results.join('/');
    }, dirname = function(path) {
      return path.split('/').slice(0, -1).join('/');
    };
    this.require = function(name) {
      return require(name, '');
    }
    this.require.define = function(bundle) {
      for (var key in bundle)
        modules[key] = bundle[key];
    };
    this.require.modules = modules;
    this.require.cache   = cache;
  }
  return this.require.define;
}).call(this)