[BUGFIX] cached inline xml

Fixes: #24

Classes/Listener/AfterCacheableContentIsGenerated.php

@@ -12,21 +12,30 @@
  * of the License, or any later version.
  */
 
+use B13\Assetcollector\AssetCollector;
 use B13\Assetcollector\Hooks\AssetRenderer;
 use TYPO3\CMS\Frontend\Event\AfterCacheableContentIsGeneratedEvent;
 
 class AfterCacheableContentIsGenerated
 {
     protected AssetRenderer $assetRenderer;
+    protected AssetCollector $assetCollector;
 
-    public function __construct(AssetRenderer $assetRenderer)
+    public function __construct(AssetRenderer $assetRenderer, AssetCollector $assetCollector)
     {
         $this->assetRenderer = $assetRenderer;
+        $this->assetCollector = $assetCollector;
     }
 
     public function __invoke(AfterCacheableContentIsGeneratedEvent $event)
     {
         $frontendController = $event->getController();
         $this->assetRenderer->collectInlineAssets([], $frontendController);
+        $event->getController()->content = str_ireplace(
+            '</body>',
+            $this->assetCollector->buildInlineXmlTag() . '</body>',
+            $event->getController()->content
+        );
+        $event->enableCaching();
     }
 }

Classes/Middleware/InlineSvgInjector.php

@@ -19,6 +19,7 @@
 use Psr\Http\Server\RequestHandlerInterface;
 use TYPO3\CMS\Core\Http\NullResponse;
 use TYPO3\CMS\Core\Http\Stream;
+use TYPO3\CMS\Core\Information\Typo3Version;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController;
 
@@ -30,6 +31,9 @@ class InlineSvgInjector implements MiddlewareInterface
     public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
     {
         $response = $handler->handle($request);
+        if (GeneralUtility::makeInstance(Typo3Version::class)->getMajorVersion() > 11) {
+            return $response;
+        }
         if ($this->isOutputting($response)) {
             $svgAsset = $this->getInlineSvgAsset();
             if ($svgAsset !== '') {

Tests/Functional/Frontend/SvgViewHelperCachedTest.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace B13\Assetcollector\Tests\Functional\Functional;
+
+/*
+ * This file is part of TYPO3 CMS-based extension "assetcollector" by b13.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ */
+
+use TYPO3\TestingFramework\Core\Functional\Framework\Frontend\InternalRequest;
+use TYPO3\TestingFramework\Core\Functional\FunctionalTestCase;
+
+class SvgViewHelperCachedTest extends FunctionalTestCase
+{
+    protected array $testExtensionsToLoad = ['typo3conf/ext/assetcollector'];
+    protected array $coreExtensionsToLoad = ['core', 'frontend'];
+    protected array $pathsToLinkInTestInstance = ['typo3conf/ext/assetcollector/Build/sites' => 'typo3conf/sites'];
+
+    protected array $configurationToUseInTestInstance = [
+        'SYS' => [
+            'caching' => [
+                'cacheConfigurations' => [
+                    'pages' => [
+                        'backend' => \TYPO3\CMS\Core\Cache\Backend\Typo3DatabaseBackend::class,
+                    ],
+                ],
+            ],
+        ],
+    ];
+
+    /**
+     * @test
+     */
+    public function scriptTagForInlineCssIsRendered(): void
+    {
+        $this->importCSVDataSet(__DIR__ . '/Fixtures/SvgViewHelper.csv');
+        $response = $this->executeFrontendSubRequest(new InternalRequest('http://localhost/'));
+        $expected = '<svg class="tx_assetcollector"';
+        $notExected = '</svg><svg class="tx_assetcollector"';
+        $bodyUncached = (string)$response->getBody();
+        self::assertStringContainsString($expected, $bodyUncached);
+        self::assertStringNotContainsString($notExected, $bodyUncached);
+        // cached
+        $response = $this->executeFrontendSubRequest(new InternalRequest('http://localhost/'));
+        $bodyCached = (string)$response->getBody();
+        self::assertSame($bodyUncached, $bodyCached);
+    }
+}