code: function (options, iterationInfo, modules) {
          // filename filter
          if (options.fileNameFilter) {
              var match = iterationInfo.fileName.match(options.fileNameFilter);
              if (!match) {
                  return;
              }
          }
  
          // Filter spec.js files
          var match = iterationInfo.fileName.match(/.spec.js/i);
          if (match) {
              return;
          }
  
          // relative path filter
          if (options.relativePathFilter) {
              var pathMatch = iterationInfo.relativeFullPath.match(options.relativePathFilter);
              if (!pathMatch)
                  return;
          }
  
          //load module
          loadModule(modules, options, iterationInfo);
      }
docs: Process single file to module dictionary
  @param options
  @param fileName
  @param modules