IFeature to inject TS into styleguide rendering

Author: kitzberger

Classes/Middleware/StyleguideRouter.php

@@ -20,6 +20,7 @@
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
 use TYPO3\CMS\Core\TypoScript\AST\Node\RootNode;
 use TYPO3\CMS\Core\TypoScript\FrontendTypoScript;
+use TYPO3\CMS\Core\TypoScript\TypoScriptStringFactory;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Core\View\ViewFactoryData;
 use TYPO3\CMS\Core\View\ViewFactoryInterface;
@@ -152,6 +153,16 @@ public function process(
             $plainFrontendTypoScript->setSetupArray([]);
         }
 
+        $typoScriptPath = $this->extensionConfiguration->get('fluid_styleguide', 'typoScriptPath');
+        if (!empty($typoScriptPath)) {
+            $typoScriptPath = GeneralUtility::getFileAbsFileName($typoScriptPath);
+            $typoScriptContent = file_get_contents($typoScriptPath);
+            $typoScriptStringFactory = GeneralUtility::makeInstance(TypoScriptStringFactory::class);
+            $ast = $typoScriptStringFactory->parseFromStringWithIncludes('fluid-styleguide', $typoScriptContent);
+            $plainFrontendTypoScript->setSetupTree($ast);
+            $plainFrontendTypoScript->setSetupArray($ast->toArray());
+        }
+
         $request = $request->withAttribute('frontend.typoscript', $plainFrontendTypoScript);
 
         // Create view

ext_conf_template.txt

@@ -1,2 +1,5 @@
 # cat=general; type=string; label=URI prefix that should display the styleguide: Advanced! Only change this property if you know what you're doing!
 uriPrefix = /fluid-styleguide/
+
+# cat=general; type=string; label=Path to TypoScript: This file is being loaded for the styleguide rendering. Might contain 'lib.parseFunc_RTE' and other necessary TS objects.
+typoscriptPath =