code: function getRootdir(context, source) {
    var regexMatch = source.match(/isomorphine.proxy\((.*)\)/);
    var target = '';
  
    if (regexMatch) {
      target = regexMatch[1];
  
      if (target[0] === '\'' || target[0] === '"') {
        target = target.substr(0, target.length - 1).substr(1);
      }
  
      if (target === '__dirname') {
        target = context;
      }
  
    }
  
    return path.resolve(context, target);
  }
docs: Gets the absolute path to the rootdir argument of the isomorphic.proxy() call.
  
  @param  {String}  context  The absolute path to the file's directory.
  @param  {String}  source   The file's source code.
  
  @return {String}           The absolute path, as sent to isomorphine.