/**
* Compile function. Returns a compile content, or writes it to a file if path is specified.
*
* @param null|string $file
* @return string|true
*/
public function compile($path = null)
{
parent::compile();
$file = $this->getMinifiedResource();
$file->rewind();
$filePath = $file->getPath() . '/' . $file->getFilename();
$stylus = new StylusCompiler();
$string = $stylus->parseFile($filePath);
if (null !== $path) {
$file2 = new FileObject($path, 'w+');
$file2->write($string);
$string = true;
}
unset($file);
unset($file2);
return $string;
}
