feat: add hasLocalized router macro

src/Macros/RouterMacros.php

@@ -29,4 +29,21 @@ public function multilingual(): Closure
             );
         };
     }
+
+    /**
+     * Check if a route with the given name exists for the current locale.
+     *
+     * @param  string|array  $name
+     * @return \Closure
+     */
+    public function hasLocalized(): Closure
+    {
+        return function ($name) {
+            $names = array_map(
+                static fn ($pattern) => locale() . ".{$pattern}",
+                is_array($name) ? $name : func_get_args(),
+            );
+            return $this->has($names);
+        };
+    }
 }

tests/RouteTest.php

@@ -522,6 +522,17 @@ public function a_route_can_be_registered_with_a_middleware(): void
         }
     }
 
+    /** @test **/
+    public function a_named_route_can_be_checked_if_it_exists(): void
+    {
+        $this
+            ->registerTestRoute()
+            ->name('foo');
+
+        $this->assertTrue(Route::hasLocalized('foo'));
+        $this->assertFalse(Route::hasLocalized('bar'));
+    }
+
     protected function registerTestRoute(): MultilingualRoutePendingRegistration
     {
         $this->registerTestTranslations();