/**
  * @param $path string
  * @return string
  */
 protected function sourcePathToTargetPath($path)
 {
     $out = $path;
     if (!$this->isJsPath($path)) {
         list($common, $targetPath) = Path::diff($this->targetPath(), $path);
         $out = "{$common}/{$targetPath}/" . $this->toJsFileName(Path::noDir($path));
     }
     return $out;
 }