chore(graphql): deprecate GraphQL Playground (api-platform#5309)

Author: alanpoulain

src/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php

@@ -468,6 +468,9 @@ private function registerGraphQlConfiguration(ContainerBuilder $container, array
 
         $graphiqlEnabled = $enabled && $this->isConfigEnabled($container, $config['graphql']['graphiql']);
         $graphqlPlayGroundEnabled = $enabled && $this->isConfigEnabled($container, $config['graphql']['graphql_playground']);
+        if ($graphqlPlayGroundEnabled) {
+            trigger_deprecation('api-platform/core', '3.1', 'GraphQL Playground is deprecated and will be removed in API Platform 4.0. Only GraphiQL will be available in the future.');
+        }
 
         $container->setParameter('api_platform.graphql.enabled', $enabled);
         $container->setParameter('api_platform.graphql.graphiql.enabled', $graphiqlEnabled);

src/Symfony/Bundle/Resources/views/SwaggerUi/index.html.twig

@@ -85,7 +85,7 @@
             {% if swaggerUiEnabled and active_ui != 'swagger_ui' %}<a href="{{ path('api_doc') }}">Swagger UI</a>{% endif %}
             {% if reDocEnabled and active_ui != 're_doc' %}<a href="{{ path('api_doc', {'ui': 're_doc'}) }}">ReDoc</a>{% endif %}
             {% if not graphQlEnabled or graphiQlEnabled %}<a {% if graphiQlEnabled %}href="{{ path('api_graphql_graphiql') }}"{% endif %} class="graphiql-link">GraphiQL</a>{% endif %}
-            {% if graphQlPlaygroundEnabled %}<a href="{{ path('api_graphql_graphql_playground') }}">GraphQL Playground</a>{% endif %}
+            {% if graphQlPlaygroundEnabled %}<a href="{{ path('api_graphql_graphql_playground') }}">GraphQL Playground (deprecated)</a>{% endif %}
         </div>
     </div>
 </div>

tests/Fixtures/app/AppKernel.php

@@ -236,6 +236,9 @@ class_exists(NativePasswordHasher::class) ? 'password_hashers' : 'encoders' => [
             'mapping' => [
                 'paths' => ['%kernel.project_dir%/../TestBundle/Resources/config/api_resources'],
             ],
+            'graphql' => [
+                'graphql_playground' => false,
+            ],
         ]);
 
         $loader->load(__DIR__.'/config/config_swagger.php');

tests/Symfony/Bundle/DependencyInjection/ApiPlatformExtensionTest.php

@@ -153,6 +153,9 @@ class ApiPlatformExtensionTest extends TestCase
         'asset_package' => null,
         'enable_entrypoint' => true,
         'enable_docs' => true,
+        'graphql' => [
+            'graphql_playground' => ['enabled' => false],
+        ],
     ]];
 
     private ContainerBuilder $container;