Dynamic Namespaces

namespace.js

var APP = {};

APP.namespace = function(path) {
  var parts  = path.split('.'),
      parent = APP;
  
  if (parts[0] === 'APP') parts = parts.slice(1);
  
  for (var i = 0, len = parts.length; i < len; i++) {
    if (typeof parent[parts[i]] === 'undefined') {
      parent[parts[i]] = {};
    }
    parent = parent[parts[i]];
  }
  
  return parent;
};

var module = APP.namespace('APP.Controllers.User');

console.log(APP.Controllers.User === module);

var module2 = APP.namespace('Controllers.Posts');

console.log(APP.Controllers.Posts === module2);