ConsoleSubscriber.php

<?php

declare (strict_types=1);
namespace Drupal\Core\Command\EventSubscriber;

use Drupal\Core\Command\DrupalConsoleLogger;
use Symfony\Component\Console\ConsoleEvents;
use Symfony\Component\Console\Event\ConsoleCommandEvent;
use Symfony\Component\Console\Logger\ConsoleLogger;
use Symfony\Component\Console\Output\ConsoleOutputInterface;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Set a logger so that log messages appear in console output.
 */
class ConsoleSubscriber implements EventSubscriberInterface {
  public function __construct(protected DrupalConsoleLogger $logger) {
  }
  
  /**
   * Set a logger so that log messages appear in console output.
   *
   * @param \Symfony\Component\Console\Event\ConsoleCommandEvent $event
   *   The event.
   */
  public function onCommand(ConsoleCommandEvent $event) : void {
    $errorOutput = $event->getOutput();
    if ($event->getOutput() instanceof ConsoleOutputInterface) {
      $errorOutput = $event->getOutput()
        ->getErrorOutput();
    }
    $this->logger
      ->setLogger(new ConsoleLogger($errorOutput, $this->logger
      ->verbosityLevelMap()));
  }
  
  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() : array {
    $events[ConsoleEvents::COMMAND][] = [
      'onCommand',
      500,
    ];
    return $events;
  }

}