From 3c0f0a6003b7222375e079494018a6ed25e5909f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20Vo=C5=99=C3=AD=C5=A1ek?= <mvorisek@mvorisek.cz>
Date: Tue, 15 Aug 2023 13:34:14 +0200
Subject: [PATCH] Add Type::lookupName() method

---
 src/Types/Type.php       | 10 ++++++++++
 tests/Types/TypeTest.php |  7 +++++++
 2 files changed, 17 insertions(+)

diff --git a/src/Types/Type.php b/src/Types/Type.php
index 2b49248ec3b..f2628f58c8e 100644
--- a/src/Types/Type.php
+++ b/src/Types/Type.php
@@ -138,6 +138,16 @@ public static function getType($name)
         return self::getTypeRegistry()->get($name);
     }
 
+    /**
+     * Finds a name for the given type.
+     *
+     * @throws Exception
+     */
+    public function lookupName(self $type): string
+    {
+        return self::getTypeRegistry()->lookupName($type);
+    }
+
     /**
      * Adds a custom type to the type map.
      *
diff --git a/tests/Types/TypeTest.php b/tests/Types/TypeTest.php
index e6999eabfce..05b2199ae39 100644
--- a/tests/Types/TypeTest.php
+++ b/tests/Types/TypeTest.php
@@ -17,6 +17,13 @@ public function testDefaultTypesAreRegistered(string $name): void
         self::assertTrue(Type::hasType($name));
     }
 
+    /** @dataProvider defaultTypesProvider() */
+    public function testDefaultTypesReverseLookup(string $name): void
+    {
+        $type = Type::getType($name);
+        self::assertSame($name, Type::lookupName($type));
+    }
+
     /** @return iterable<string[]> */
     public static function defaultTypesProvider(): iterable
     {