DocsController.php

<?php

public function search(Request $request)
{
    $this->tnt->loadConfig([
        "storage"   => storage_path(),
        "driver"    => 'filesystem',
    ]);

    $this->tnt->selectIndex("docs");
    $this->tnt->asYouType = true;

    $results = $this->tnt->search($request->get('query'), $request->get('params')['hitsPerPage']);

    return $this->processResults($results, $request);
}