public function getVariantsAttribute(?string $value): array 	{ 		if (!$value) { 			return []; 		} 		$variants = explode(',', $value);  		$variantObjects = [];  		foreach ($variants as $variant) { 			[$color, $sku] = explode(' - ', $variant);  			$variantObjects[] = (object) [ 				'color' => $color, 				'sku' => $sku, 			]; 		}  		return $variantObjects; 	}