code: public static function symlinkJQueryFileUpload(Event $event)
      {
          $IO = $event->getIO();
          $composer = $event->getComposer();
          $cmanager = new ComposerPathFinder($composer);
          $ds = DIRECTORY_SEPARATOR;
          $options = [
              'targetSuffix' => self::getTargetSuffix('jquery-file-upload'),
              'sourcePrefix' => "..{$ds}..{$ds}..{$ds}",
          ];
          list($symlinkTarget, $symlinkName) = $cmanager->getSymlinkFromComposer(
              'sidus/file-upload-bundle',
              'blueimp/jquery-file-upload',
              $options
          );
  
          $IO->write('Checking Symlink', false);
          if (false === self::checkSymlink($symlinkTarget, $symlinkName, true)) {
              $IO->write('Creating Symlink: '.$symlinkName, false);
              self::createSymlink($symlinkTarget, $symlinkName);
          }
          $IO->write('<info>OK</info>');
      }
docs: Symlink JQuery File Upload plugin in the public directory
  
  @param Event $event
  
  @throws \Exception