ext_tables.php

<?php

if (!defined('TYPO3_MODE')) {
    die('Access denied.');
}

call_user_func(function ($packageKey) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile(
        $packageKey,
        'Configuration/TypoScript/SyntaxHighlighter/',
        'beautyOfCode (SyntaxHighlighter)'
    );

    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addStaticFile(
        $packageKey,
        'Configuration/TypoScript/Prism/',
        'beautyOfCode (Prism)'
    );

    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig(
        '<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $packageKey . '/Configuration/TypoScript/pageTsConfig.ts">'
    );

    $GLOBALS['TCA']['tt_content']['columns']['CType']['config']['items'][] = array(
        'LLL:EXT:beautyofcode/Resources/Private/Language/locallang_db.xlf:content_element.beautyofcode_contentrenderer',
        'beautyofcode_contentrenderer',
        'content-special-html',
    );

    $GLOBALS['TCA']['tt_content']['types']['beautyofcode_contentrenderer']['showitem'] = '
        --palette--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xml:palette.general;general,
        --palette--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:palette.header;header,
        --div--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:tabs.plugin,
            pi_flexform,
            bodytext;LLL:EXT:beautyofcode/Resources/Private/Language/locallang_db.xlf:code,
        --div--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:tabs.appearance,
            --palette--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:palette.frames;frames,
        --div--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:tabs.access,
            --palette--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:palette.visibility;visibility,
            --palette--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:palette.access;access,
        --div--;LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:tabs.extended
    ';

    $configuration = $GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf']['beautyofcode'];
    if (is_string($configuration)) {
        $configuration = (array)@unserialize($configuration);
    } else {
        $configuration = array();
    }

    if (isset($configuration['enable_t3editor']) && $configuration['enable_t3editor'] == 1 &&
        \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::isLoaded('t3editor')
    ) {
        $GLOBALS['TCA']['tt_content']['types']['beautyofcode_contentrenderer']['columnsOverrides'] = array(
            'bodytext' => array(
                'config' => array(
                    'format'     => 'mixed',
                    'renderType' => 't3editor',
                ),
            ),
        );
    };

    $GLOBALS['TCA']['tt_content']['types']['list']['subtypes_addlist']['beautyofcode_contentrenderer'] = 'pi_flexform';
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPiFlexFormValue(
        '*',
        'FILE:EXT:' . $packageKey.  '/Configuration/Flexform/ContentRenderer.xml',
        'beautyofcode_contentrenderer'
    );


}, $_EXTKEY);