fix(intl): resolve optional event bus safely

Author: xHeaven

packages/container/src/Container.php

@@ -27,6 +27,13 @@ public function config(object $config): self;
      */
     public function get(string $className, string|UnitEnum|null $tag = null, mixed ...$params): mixed;
 
+    /**
+     * @template TClassName of object
+     * @param class-string<TClassName> $className
+     * @return TClassName|null
+     */
+    public function getIfExists(string $className, string|UnitEnum|null $tag = null, mixed ...$params): ?object;
+
     public function has(string $className, string|UnitEnum|null $tag = null): bool;
 
     public function invoke(ClassReflector|MethodReflector|FunctionReflector|callable|string $method, mixed ...$params): mixed;

packages/container/src/GenericContainer.php

@@ -216,6 +216,22 @@ public function get(string $className, string|UnitEnum|null $tag = null, mixed .
         return $dependency;
     }
 
+    /**
+     * @template TClassName of object
+     * @param class-string<TClassName> $className
+     * @return TClassName|null
+     * @throws CircularDependencyEncountered
+     * @throws TaggedDependencyCouldNotBeResolved
+     */
+    public function getIfExists(string $className, string|UnitEnum|null $tag = null, mixed ...$params): ?object
+    {
+        if (! class_exists($className) && ! interface_exists($className)) {
+            return null;
+        }
+
+        return $this->get($className, $tag, ...$params);
+    }
+
     public function invoke(ClassReflector|MethodReflector|FunctionReflector|callable|string $method, mixed ...$params): mixed
     {
         if ($method instanceof ClassReflector) {

packages/container/tests/ContainerTest.php

@@ -105,6 +105,23 @@ public function test_get_with_definition(): void
         $this->assertEquals('test', $c->prop);
     }
 
+    public function test_get_if_exists_returns_null_when_type_does_not_exist(): void
+    {
+        $container = new GenericContainer();
+
+        $this->assertNull($container->getIfExists('Tempest\\Container\\Tests\\Fixtures\\DoesNotExist'));
+    }
+
+    public function test_get_if_exists_uses_normal_get_flow_when_type_exists(): void
+    {
+        $container = new GenericContainer();
+
+        $object = $container->getIfExists(ContainerObjectB::class);
+
+        $this->assertInstanceOf(ContainerObjectB::class, $object);
+        $this->assertInstanceOf(ContainerObjectA::class, $object->a);
+    }
+
     public function test_get_with_initializer(): void
     {
         $container = new GenericContainer()->setInitializers([

packages/intl/composer.json

@@ -14,7 +14,8 @@
     },
     "suggest": {
         "tempest/datetime": "In order to use the `datetime` function",
-        "tempest/icon": "In order to use the `icon` function"
+        "tempest/icon": "In order to use the `icon` function",
+        "tempest/event-bus": "Enables dispatching translation miss and translation failure events."
     },
     "autoload": {
         "files": [

packages/intl/src/TranslatorInitializer.php

@@ -18,7 +18,7 @@ public function initialize(Container $container): Translator
             config: $container->get(IntlConfig::class),
             catalog: $container->get(Catalog::class),
             formatter: $container->get(MessageFormatter::class),
-            eventBus: $container->get(EventBus::class),
+            eventBus: $container->getIfExists(EventBus::class),
         );
     }
 }