Symfony Profiler

<?php
namespace Overblog\GraphQLBundle\EventListener;
use GraphQL\Error\UserError;
use Overblog\GraphQLBundle\Error\UserWarning;
use Overblog\GraphQLBundle\Event\ErrorFormattingEvent;
use Psr\Log\LoggerInterface;
use Psr\Log\LogLevel;
use Psr\Log\NullLogger;
final class ErrorLoggerListener
{
const DEFAULT_LOGGER_SERVICE = 'logger';
/** @var LoggerInterface */
private $logger;
public function __construct(
LoggerInterface $logger = null
) {
$this->logger = null === $logger ? new NullLogger() : $logger;
}
public function onErrorFormatting(ErrorFormattingEvent $event)
{
$error = $event->getError();
if ($error->getPrevious()) {
$exception = $error->getPrevious();
if ($exception instanceof UserError) {
if ($exception->getPrevious()) {
$this->log($exception->getPrevious());
}
return;
}
if ($exception instanceof UserWarning) {
if ($exception->getPrevious()) {
$this->log($exception->getPrevious(), LogLevel::WARNING);
}
return;
}
$this->log($error->getPrevious(), LogLevel::CRITICAL);
}
}
/**
* @param \Throwable $throwable
* @param string $errorLevel
*/
public function log($throwable, $errorLevel = LogLevel::ERROR)
{
$this->logger->$errorLevel(self::serializeThrowableObject($throwable), ['throwable' => $throwable]);
}
/**
* @param \Throwable $throwable
*
* @return string
*/
private static function serializeThrowableObject($throwable)
{
$message = \sprintf(
'[GraphQL] %s: %s[%d] (caught throwable) at %s line %s.',
\get_class($throwable),
$throwable->getMessage(),
$throwable->getCode(),
$throwable->getFile(),
$throwable->getLine()
);
return $message;
}
}

vendor/overblog/graphql-bundle/src/EventListener/ErrorLoggerListener.php line 25