load.js

var cachedFiles = {};
/* load a file and cache it so next time we don't have to re-evaluate again */
function load(path) {
  if(!cachedFiles[path] || DEBUG ){
    log('caching ' + path );
    cachedFiles[path] = require(path);
  };
  return cachedFiles[path];
};

/* return an intermediate page in simulator so that 
   we can re-load the top-level pages dynamically
 */
function rootLoad(path) {
  if(DEBUG) {
    return {
      createWindow: function() {
        var win = createWindow({title: 'Landing Page'});
        var tableView = Ti.UI.createTableView({hasChild: true, style: Ti.UI.iPhone.TableViewStyle.GROUPED});
        tableView.setData([{title: 'Open Page'}]);
        tableView.addEventListener('click', function(e) {
          currentTabGroup.activeTab.open( load(path).createWindow() );
        });
        win.add(tableView);
        listenToDefaultEvents(win);
        return win;
      }
    };
  } else {
    return load(path);
  };
};