....
public function kosong(){
        $title = 'List Buku Stock Habis';
        $data = \DB::table('m_buku as b')->join('m_kategori as k','b.kategori','=','k.id')->select('b.gambar','b.judul','k.nama','b.penulis','b.stock','b.created_at','b.id','b.status')->where('b.stock','<',1)->get();
        // dd($data);

        return view('buku.buku_index',compact('title','data'));
    }
....