| null */ protected ?array $sortColumns = []; protected ?Closure $sortQuery = null; /** * @param bool | array $condition */ public function sortable(bool | array $condition = true, ?Closure $query = null): static { if (is_array($condition)) { $this->isSortable = true; $this->sortColumns = $condition; } else { $this->isSortable = $condition; $this->sortColumns = null; } $this->sortQuery = $query; return $this; } /** * @return array */ public function getSortColumns(): array { return $this->sortColumns ?? $this->getDefaultSortColumns(); } public function isSortable(): bool { return $this->isSortable; } /** * @return array{0: string} */ public function getDefaultSortColumns(): array { return [str($this->getName())->afterLast('.')]; } }