Bolt\Controller\Async\FilesystemManager::filesAutoComplete PHP Метод

    public function filesAutoComplete(Request $request)
    {
        $term = $request->query->get('term', '.*');
        $dir = Path::getDirectory($term);
        $term = Path::getFilename($term);
        $term = preg_quote($term);
        $extensions = implode('|', explode(',', $request->query->get('ext', '.*')));
        $regex = sprintf('/.*(%s).*\\.(%s)$/', $term, $extensions);
        $files = $this->filesystem()->find()->in('files://' . $dir)->name($regex);
        $result = [];
        /** @var \Bolt\Filesystem\Handler\File $file */
        foreach ($files as $file) {
            $result[] = $file->toJs();
        }
        return $this->json($result);
    }