SecurityExtension: detects Tracy by presence of service @tracy\Bar [Closes nette/di#245]

Author: dg

src/Bridges/SecurityDI/SecurityExtension.php

@@ -31,7 +31,7 @@ public function __construct(bool $debugMode = false)
 	public function getConfigSchema(): Nette\Schema\Schema
 	{
 		return Expect::structure([
-			'debugger' => Expect::bool(interface_exists(\Tracy\IBarPanel::class)),
+			'debugger' => Expect::bool(),
 			'users' => Expect::arrayOf(
 				Expect::anyOf(
 					Expect::string(), // user => password
@@ -64,7 +64,10 @@ public function loadConfiguration()
 		$user = $builder->addDefinition($this->prefix('user'))
 			->setFactory(Nette\Security\User::class);
 
-		if ($this->debugMode && $config->debugger) {
+		if (
+			$this->debugMode &&
+			($config->debugger ?? $builder->getByType(\Tracy\Bar::class))
+		) {
 			$user->addSetup('@Tracy\Bar::addPanel', [
 				new Nette\DI\Definitions\Statement(Nette\Bridges\SecurityTracy\UserPanel::class),
 			]);