Handle unnamed routes

If an unnamed route is passed to url()->toRoute(), the generated URL will receive the tenant parameter as long as the bypass parameter wasn't passed. Also remove the bypass parameter from the generated URL.

src/Overrides/TenancyUrlGenerator.php

@@ -125,7 +125,7 @@ class TenancyUrlGenerator extends UrlGenerator
             throw new InvalidArgumentException('Attribute [name] expects a string backed enum.');
         }
 
-        [$name] = $this->prepareRouteInputs($name, Arr::wrap($parameters)); // @phpstan-ignore argument.type
+        [$name] = $this->prepareRouteInputs(Arr::wrap($parameters), $name); // @phpstan-ignore argument.type
 
         return parent::route($name, $parameters, $absolute);
     }
@@ -140,12 +140,10 @@ class TenancyUrlGenerator extends UrlGenerator
     {
         $name = $route->getName();
 
-        if ($name) {
+        [$prefixedName, $parameters] = $this->prepareRouteInputs(Arr::wrap($parameters), $name);
-            [$prefixedName, $parameters] = $this->prepareRouteInputs($name, Arr::wrap($parameters));
 
-            if ($prefixedName !== $name && $tenantRoute = $this->routes->getByName($prefixedName)) {
+        if ($name && $prefixedName !== $name && $tenantRoute = $this->routes->getByName($prefixedName)) {
-                $route = $tenantRoute;
+            $route = $tenantRoute;
-            }
         }
 
         return parent::toRoute($route, $parameters, $absolute);
@@ -170,10 +168,13 @@ class TenancyUrlGenerator extends UrlGenerator
      * To skip these modifications, pass the bypass parameter in route parameters.
      * Before returning the modified route inputs, the bypass parameter is removed from the parameters.
      */
-    protected function prepareRouteInputs(string $name, array $parameters): array
+    protected function prepareRouteInputs(array $parameters, string|null $name): array
     {
         if (! $this->routeBehaviorModificationBypassed($parameters)) {
-            $name = $this->routeNameOverride($name) ?? $this->prefixRouteName($name);
+            if (! is_null($name)) {
+                $name = $this->routeNameOverride($name) ?? $this->prefixRouteName($name);
+            }
+
             $parameters = $this->addTenantParameter($parameters);
         }
 

tests/Bootstrappers/UrlGeneratorBootstrapperTest.php

@@ -423,3 +423,25 @@ test('the toRoute method can automatically prefix the passed route name', functi
     // Passing the bypass parameter skips the name prefixing, so the method returns the central route URL
     expect(url()->toRoute($centralRoute, ['central' => true], true))->toBe('http://localhost/central/home');
 });
+
+test('toRoute modifies parameters even when the route has no name', function () {
+    config(['tenancy.bootstrappers' => [UrlGeneratorBootstrapper::class]]);
+
+    TenancyUrlGenerator::$passTenantParameterToRoutes = true;
+
+    $unnamedRoute = Route::get('/unnamed', fn () => 'unnamed');
+
+    $tenant = Tenant::create();
+
+    tenancy()->initialize($tenant);
+
+    // The tenant parameter is added to the URL even for unnamed routes
+    expect(url()->toRoute($unnamedRoute, [], true))
+        ->toBe("http://localhost/unnamed?tenant={$tenant->getTenantKey()}");
+
+    // The bypass parameter prevents passing the tenant parameter and is stripped from the URL
+    expect(url()->toRoute($unnamedRoute, ['central' => true], true))
+        ->toBe("http://localhost/unnamed")
+        ->not()->toContain('tenant=')
+        ->not()->toContain('central=');
+});