/** * Get a default Sass compiler instance * * @return ExternalRubyCompiler */ public static function getDefaultCompiler() { if (self::$defaultCompiler === null) { $app = F::app(); self::$defaultCompiler = new ExternalRubyCompiler(array('rootDir' => $app->getGlobal('IP'), 'sassExecutable' => $app->wg->SassExecutable)); } return self::$defaultCompiler; }