gistfile1.txt

/*
  unfortunately you can not debug it :(
*/

(function($G)
{
  $G._import = function(_fn, modules)
  {
    var argsString = '';
    var args = [];
    var i = modules.length; while(i--)
    {
      var module = modules[i];
      
      for(var j in module)
      {
        if(module.hasOwnProperty(j))
        {
          argsString += j + ',';
          args.push(module[j]);
        }
      }
    }
    
    argsString += '$G';
    args.push($G);
    
    var code = String(_fn);
    
    Function(argsString, code.slice(code.indexOf('{') + 1, code.lastIndexOf('}'))).apply($G, args);
  };
})(this);

(function($G)
{
  var export = $G.$A = {};
  
  export.A = 'A';
})(this);  

(function($G)
{
  var export = $G.$B = {};
  
  export.B = 'B';
})(this);

_import(function($G){
  
  console.log(A, B);

}, [$A, $B]);