Disable cache warmup when translator is identity translator

Author: Sander Verkuil

src/Translator/doc/index.rst

@@ -71,6 +71,10 @@ For a better developer experience, TypeScript types definitions are also generat
 Then, you will be able to import those JavaScript translations in your assets.
 Don't worry about your final bundle size, only the translations you use will be included in your final bundle, thanks to the `tree shaking <https://webpack.js.org/guides/tree-shaking/>`_.
 
+.. note::
+
+    This package requires the `translator` to be enabled in your Symfony application. If you don't use the `translator` service, the warmup command will not generate any translations.
+
 Configuring the default locale
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

src/Translator/src/DependencyInjection/TranslatorCompilerPass.php

@@ -0,0 +1,30 @@
+<?php
+
+namespace Symfony\UX\Translator\DependencyInjection;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\Translation\TranslatorBagInterface;
+
+class TranslatorCompilerPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container): void
+    {
+        if (!$this->hasValidTranslator($container)) {
+            $container->removeDefinition('ux.translator.cache_warmer.translations_cache_warmer');
+        }
+    }
+
+    private function hasValidTranslator(ContainerBuilder $containerBuilder): bool
+    {
+        if (!$containerBuilder->hasDefinition('translator')) {
+            return false;
+        }
+
+        $translator = $containerBuilder->getDefinition('translator');
+        if (!is_subclass_of($translator->getClass(), TranslatorBagInterface::class)) {
+            return false;
+        }
+        return true;
+    }
+}

src/Translator/src/UxTranslatorBundle.php

@@ -11,7 +11,9 @@
 
 namespace Symfony\UX\Translator;
 
+use Symfony\Component\DependencyInjection\ContainerBuilder;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
+use Symfony\UX\Translator\DependencyInjection\TranslatorCompilerPass;
 
 /**
  * @author Hugo Alliaume <[email protected]>
@@ -26,4 +28,9 @@ public function getPath(): string
     {
         return \dirname(__DIR__);
     }
+
+    public function build(ContainerBuilder $container): void
+    {
+        $container->addCompilerPass(new TranslatorCompilerPass());
+    }
 }

src/Translator/tests/Kernel/FrameworkAppKernel.php

@@ -38,6 +38,10 @@ public function registerContainerConfiguration(LoaderInterface $loader)
                 'secret' => '$ecret',
                 'test' => true,
                 'translator' => [
+                    'enabled' => match ($this->environment) {
+                        'test_without_translator' => false,
+                        default => true,
+                    },
                     'fallbacks' => ['en'],
                 ],
                 'http_method_override' => false,

src/Translator/tests/UxTranslatorBundleTest.php

@@ -22,6 +22,7 @@ public static function provideKernels()
     {
         yield 'empty' => [new EmptyAppKernel('test', true)];
         yield 'framework' => [new FrameworkAppKernel('test', true)];
+        yield 'framework without translator' => [new FrameworkAppKernel('test_without_translator', true)];
     }
 
     /**