Refactored NamespaceBuilder

Author: picamator

src/TransferGenerator/Definition/Parser/Expander/Builder/NamespaceBuilder.php

@@ -26,7 +26,7 @@ public function createNamespaceTransfer(string $namespace): DefinitionNamespaceT
 
     private function getAlias(string $namespace): ?string
     {
-        if (!str_contains($namespace, self::NAMESPACE_ALIAS_SEPARATOR)) {
+        if (!$this->isNamespaceAlias($namespace)) {
             return null;
         }
 
@@ -48,7 +48,7 @@ private function getBaseName(string $withoutAlias): string
 
     private function getWithoutAlias(string $namespace): string
     {
-        if (!str_contains($namespace, self::NAMESPACE_ALIAS_SEPARATOR)) {
+        if (!$this->isNamespaceAlias($namespace)) {
             return $namespace;
         }
 
@@ -71,4 +71,9 @@ private function filterNamespace(string $namespace): string
 
         return $namespace;
     }
+
+    private function isNamespaceAlias(string $namespace): bool
+    {
+        return str_contains($namespace, self::NAMESPACE_ALIAS_SEPARATOR);
+    }
 }