feat: support creating field names from enums (#169)

Author: simPod

src/Builder/FieldBuilder.php

@@ -4,6 +4,7 @@
 
 namespace SimPod\GraphQLUtils\Builder;
 
+use BackedEnum;
 use GraphQL\Executor\Executor;
 use GraphQL\Type\Definition\Argument;
 use GraphQL\Type\Definition\FieldDefinition;
@@ -35,7 +36,7 @@ class FieldBuilder
     private array|null $args = null;
 
     /** @phpstan-param FieldType $type */
-    final private function __construct(private string $name, $type)
+    final private function __construct(private BackedEnum|string $name, $type)
     {
         $this->type = $type;
     }
@@ -45,7 +46,7 @@ final private function __construct(private string $name, $type)
      *
      * @return static
      */
-    public static function create(string $name, $type): self
+    public static function create(BackedEnum|string $name, $type): self
     {
         return new static($name, $type);
     }
@@ -118,7 +119,7 @@ public function build(): array
     {
         return [
             'args' => $this->args,
-            'name' => $this->name,
+            'name' => $this->name instanceof BackedEnum ? (string) $this->name->value : $this->name,
             'description' => $this->description,
             'deprecationReason' => $this->deprecationReason,
             'resolve' => $this->resolve,

tests/Builder/FieldBuilderTest.php

@@ -9,6 +9,7 @@
 use PHPUnit\Framework\TestCase;
 use ReflectionClass;
 use SimPod\GraphQLUtils\Builder\FieldBuilder;
+use SimPod\GraphQLUtils\Tests\Builder\fixture\Fields;
 
 final class FieldBuilderTest extends TestCase
 {
@@ -46,4 +47,12 @@ public function testCreate(): void
         self::assertSame('Reason', $args['arg1']['deprecationReason']);
         self::assertSame(1, $args['arg1']['defaultValue']);
     }
+
+    public function testCreateFromEnum(): void
+    {
+        $field = FieldBuilder::create(Fields::Field1, Type::string())
+            ->build();
+
+        self::assertSame('Field1', $field['name']);
+    }
 }

tests/Builder/fixture/Fields.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SimPod\GraphQLUtils\Tests\Builder\fixture;
+
+enum Fields: string
+{
+    case Field1 = 'Field1';
+}