Add callable support to loggers map

Author: samizdam

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Implicitly marking parameters as nullable is deprecated, the explicit nullable type must be used instead
 
 ### Added
+- Loggers map callable members
 - PHP 8.4 mainline support
 - PHP 8.5 experimental support
 

README.md

@@ -65,9 +65,9 @@ return [
     ],
     'loggers' => [
        // For suitable logger injections use map, where keys are your services, that implement LoggerAwareInterface
-       // and value is logger instances
+       // and value is logger instances or callable with logic for instantiate it. 
        LoggerAwareClass::class        => $logger,
-       AnotherLoggerAwareClass::class => $anotherLogger,
+       AnotherLoggerAwareClass::class => fn(\Psr\Container\ContainerInterface $container) => new \Psr\Log\NullLogger(),
     ],   
 ];
 ```

src/Injector.php

@@ -87,6 +87,9 @@ public function createInstance($class): object
         if ($this->isLoggerInjectionRequired($instance)) {
             if(array_key_exists($class, $this->loggersMap)) {
                 $logger = $this->loggersMap[$class];
+                if(!$logger instanceof LoggerInterface && is_callable($logger)) {
+                    $logger = $logger($this);
+                }
             } else {
                 $logger = $this->getService(LoggerInterface::class);
             }

tests/InjectorTest.php

@@ -232,13 +232,14 @@ public function testLoggerMap()
     {
         $logger = new NullLogger();
         $anotherLogger = new NullLogger();
+        $anotherLoggerCallable = fn() => $anotherLogger;
 
         $injector = new Injector();
         $injector->allowInstantiateNotRegisteredTypes(true);
         $injector->enableLoggerAwareInjection();
         $injector->setLoggersMap([
             LoggerAwareClass::class        => $logger,
-            AnotherLoggerAwareClass::class => $anotherLogger,
+            AnotherLoggerAwareClass::class => $anotherLoggerCallable,
         ]);
 
         /** @var LoggerAwareClass $loggerAwareInstance */