data = $data; } public function collection() { return $this->data->map(function ($supplier) { return [ 'Nama' => $supplier->nama, 'Kategori' => $supplier->pemasok ? 'Pemasok' : 'Konsumen', 'Alamat' => $supplier->alamat, 'No Telepon' => $supplier->no_tlp, 'No Rekening' => $supplier->no_rekening ?? '-', ]; }); } }