- Some small bugfixes made

src/Attribute/Attribute.php

@@ -3,13 +3,20 @@
 namespace Ulmus\Attribute;
 
 use Ulmus\Common\EntityField;
+use Ulmus\Repository;
 
 class Attribute
 {
-    public static function handleArrayField(null|\Stringable|string|array $field) : mixed
+    public static function handleArrayField(null|\Stringable|string|array $field, null|string|bool $alias = Repository::DEFAULT_ALIAS, string $separator = ', ') : mixed
     {
         if ( is_array($field) ) {
             $class = array_shift($field);
+            $field[1] ??= $alias;
+
+            if (is_array($field[0])) {
+                $field[] = $separator;
+                return $class::fields(...$field);
+            }
 
             return $class::field(...$field);
         }