Add a localizedHas macro... (#33)

...to easily check if a route name exists without worrying about prepending the locale.
It will either accept a locale as the second argument, or use the current identified locale.

Author: mallardduck

src/LocalizedRoutesServiceProvider.php

@@ -3,6 +3,7 @@
 namespace CodeZero\LocalizedRoutes;
 
 use CodeZero\LocalizedRoutes\Macros\IsLocalizedMacro;
+use CodeZero\LocalizedRoutes\Macros\LocalizedHasMacro;
 use CodeZero\LocalizedRoutes\Macros\LocalizedUrlMacro;
 use CodeZero\LocalizedRoutes\Macros\UriTranslationMacro;
 use CodeZero\LocalizedRoutes\Macros\LocalizedRoutesMacro;
@@ -49,6 +50,7 @@ public function register()
     protected function registerMacros()
     {
         IsLocalizedMacro::register();
+        LocalizedHasMacro::register();
         LocalizedRoutesMacro::register();
         LocalizedUrlMacro::register();
         UriTranslationMacro::register();

src/Macros/LocalizedHasMacro.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace CodeZero\LocalizedRoutes\Macros;
+
+use Illuminate\Support\Facades\App;
+use Illuminate\Support\Facades\Route;
+
+class LocalizedHasMacro
+{
+    /**
+     * Register the macro.
+     *
+     * @return void
+     */
+    public static function register()
+    {
+        Route::macro('localizedHas', function ($name, $locale = null) {
+            $locale = $locale ?? App::getLocale();
+            if (! $this->routes->hasNamedRoute($locale . ".{$name}")) {
+                return false;
+            }
+
+            return true;
+        });
+    }
+}