From 9b5d24fde5f8469618236a61db7caad0bde62c7b Mon Sep 17 00:00:00 2001
From: mamazu <14860264+mamazu@users.noreply.github.com>
Date: Sun, 12 Jul 2026 15:15:01 +0200
Subject: [PATCH 1/2] Respecting enabled locales in translator

---
 .../config/services/integrations/translations.php          | 1 +
 src/Translation/Translator.php                             | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/Resources/config/services/integrations/translations.php b/src/Resources/config/services/integrations/translations.php
index 027069d..ad47f83 100644
--- a/src/Resources/config/services/integrations/translations.php
+++ b/src/Resources/config/services/integrations/translations.php
@@ -44,6 +44,7 @@
                 'cache_dir' => '%kernel.cache_dir%/translations',
                 'debug' => '%kernel.debug%',
             ],
+            '%kernel.enabled_locales%',
         ])
     ;
 
diff --git a/src/Translation/Translator.php b/src/Translation/Translator.php
index 17aa623..0cdd05f 100644
--- a/src/Translation/Translator.php
+++ b/src/Translation/Translator.php
@@ -32,17 +32,22 @@ final class Translator extends BaseTranslator implements WarmableInterface
 
     private bool $resourcesLoaded = false;
 
+    /** @var array<string> */
+    private array $enabledLocales = [];
+
     public function __construct(
         TranslatorLoaderProviderInterface $loaderProvider,
         TranslatorResourceProviderInterface $resourceProvider,
         MessageFormatterInterface $messageFormatter,
         string $locale,
         array $options = [],
+        array $enabledLocales = [],
     ) {
         $this->assertOptionsAreKnown($options);
 
         $this->loaderProvider = $loaderProvider;
         $this->resourceProvider = $resourceProvider;
+        $this->enabledLocales = $enabledLocales;
 
         $this->options = array_merge($this->options, $options);
         if (null !== $this->options['cache_dir'] && $this->options['debug']) {
@@ -59,7 +64,7 @@ public function warmUp($cacheDir, ?string $buildDir = null): array
             return [];
         }
 
-        $locales = array_merge(
+        $locales = $this->enabledLocales ?: array_merge(
             $this->getFallbackLocales(),
             [$this->getLocale()],
             $this->resourceProvider->getResourcesLocales(),

From da764b40946577325be04e93573fa676c6f9d7c3 Mon Sep 17 00:00:00 2001
From: mamazu <14860264+mamazu@users.noreply.github.com>
Date: Sun, 12 Jul 2026 15:41:30 +0200
Subject: [PATCH 2/2] Adding a test

---
 src/Translation/Translator.php       |  1 +
 tests/Translation/TranslatorTest.php | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/Translation/Translator.php b/src/Translation/Translator.php
index 0cdd05f..33c01f9 100644
--- a/src/Translation/Translator.php
+++ b/src/Translation/Translator.php
@@ -69,6 +69,7 @@ public function warmUp($cacheDir, ?string $buildDir = null): array
             [$this->getLocale()],
             $this->resourceProvider->getResourcesLocales(),
         );
+
         foreach (array_unique($locales) as $locale) {
             // reset catalogue in case it's already loaded during the dump of the other locales.
             if (isset($this->catalogues[$locale])) {
diff --git a/tests/Translation/TranslatorTest.php b/tests/Translation/TranslatorTest.php
index b924cc2..2b867b6 100644
--- a/tests/Translation/TranslatorTest.php
+++ b/tests/Translation/TranslatorTest.php
@@ -282,6 +282,18 @@ public function it_creates_a_nested_catalogue_with_fallback_translations(): void
         $this->assertEquals($catalogue, $translator->getCatalogue());
     }
 
+    /**
+     * @test
+     */
+    public function it_does_not_load_unused_locales(): void
+    {
+        $translator = $this->createTranslator('en', enabledLocales: ['en']);
+        $translator->setFallbackLocales(['en']);
+
+        $this->assertNotNull($translator->getCatalogue());
+        $this->assertCount(1, $translator->getCatalogues());
+    }
+
     public static function getInvalidLocalesTests(): array
     {
         return [
@@ -351,13 +363,14 @@ public static function getInvalidOptionsTests(): array
 
     /**
      * @param string[] $options
+     * @param string[] $enabledLocales
      */
-    private function createTranslator(string $locale = 'en', array $options = []): Translator
+    private function createTranslator(string $locale = 'en', array $options = [], array $enabledLocales = []): Translator
     {
         $loaderProvider = new TranslatorLoaderProvider();
         $resourceProvider = new SymfonyTranslatorResourceProvider();
         $messageFormatter = new MessageFormatter();
 
-        return new Translator($loaderProvider, $resourceProvider, $messageFormatter, $locale, $options);
+        return new Translator($loaderProvider, $resourceProvider, $messageFormatter, $locale, $options, $enabledLocales);
     }
 }