Nayjest\Grids\Components\ExcelExport::getHeaderRow PHP Method

    protected function getHeaderRow()
    {
        $output = [];
        foreach ($this->grid->getConfig()->getColumns() as $column) {
            if ($this->isColumnExported($column)) {
                $output[] = $this->escapeString($column->getLabel());
            }
        }
        return $output;
    }