Integrate BrowserConsoleHandler in Symfony

src/Symfony/Bridge/Monolog/Handler/BrowserConsoleHandler.php

@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bridge\Monolog\Handler;
+
+use Monolog\Handler\BrowserConsoleHandler as BaseBrowserConsoleHandler;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpKernel\Event\ResponseEvent;
+use Symfony\Component\HttpKernel\KernelEvents;
+
+class BrowserConsoleHandler extends BaseBrowserConsoleHandler implements EventSubscriberInterface
+{
+    /** @var string */
+    private static $responseFormat;
+
+    public static function getSubscribedEvents(): array
+    {
+        return [KernelEvents::RESPONSE => 'onResponse'];
+    }
+
+    private static function determineResponseFormatFromContentType(?string $contentType): string
+    {
+        if (null === $contentType) {
+            return 'unknown';
+        }
+        if (stripos($contentType, 'application/javascript') !== false || stripos($contentType, 'text/javascript') !== false) {
+            return 'js';
+        }
+        if (stripos($contentType, 'text/html') === false) {
+            return 'unknown';
+        }
+
+        return 'html';
+    }
+
+    public static function onResponse(ResponseEvent $responseEvent): void
+    {
+        $contentType = $responseEvent->getResponse()->headers->get('Content-Type');
+        static::$responseFormat = static::determineResponseFormatFromContentType($contentType);
+        static::send();
+    }
+
+    protected static function getResponseFormat(): string
+    {
+        return static::$responseFormat;
+    }
+
+    protected function registerShutdownFunction(): void
+    {
+    }
+}