ext_localconf.php

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

/***************
 * Define TypoScript as content rendering template
 */
$GLOBALS['TYPO3_CONF_VARS']['FE']['contentRenderingTemplates'][] = 'bootstrappackage/Configuration/TypoScript/';

/***************
 * Make the extension configuration accessible
 */
if (!is_array($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY])) {
    $GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY] = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]);
}

/***************
 * PageTS
 */

// Add Bootstrap Content Elements to newContentElement Wizard
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disablePageTsNewContentElementWizard']) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig('<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $_EXTKEY . '/Configuration/PageTS/Mod/Wizards/newContentElement.txt">');
}

// Add Previews for Bootstrap Content Elements
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disablePageTsTtContentPreviews']) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig('<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $_EXTKEY . '/Configuration/PageTS/Mod/WebLayout/TtContent/preview.txt">');
}

// Add BackendLayouts BackendLayouts for the BackendLayout DataProvider
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disablePageTsBackendLayouts']) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig('<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $_EXTKEY . '/Configuration/PageTS/Mod/WebLayout/BackendLayouts.txt">');
}

// AdminPanel
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disablePageTsAdmPanel']) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig('<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $_EXTKEY . '/Configuration/PageTS/admPanel.txt">');
}

// TCEMAIN
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disablePageTsTCEMAIN']) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig('<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $_EXTKEY . '/Configuration/PageTS/TCEMAIN.txt">');
}

// TCEFORM
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disablePageTsTCEFORM']) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig('<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $_EXTKEY . '/Configuration/PageTS/TCEFORM.txt">');
}

// Configure the RTE to match the needs of Bootstrap Package
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disablePageTsRTE']) {
    \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::addPageTSConfig('<INCLUDE_TYPOSCRIPT: source="FILE:EXT:' . $_EXTKEY . '/Configuration/PageTS/RTE.txt">');
}

if (TYPO3_MODE === 'BE') {
    /**
     * Provides an example .htaccess file for Apache after extension is installed and shows a warning if TYPO3 is not running on Apache.
     */
    $signalSlotDispatcher = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Extbase\\SignalSlot\\Dispatcher');
    $signalSlotDispatcher->connect(
        'TYPO3\\CMS\\Extensionmanager\\Service\\ExtensionManagementService',
        'hasInstalledExtensions',
        'BK2K\\BootstrapPackage\\Service\\InstallService',
        'generateApacheHtaccess'
    );
}

/***************
 * Register hook for processing less files
 */
if (!$GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]['disableLessProcessing']) {
    if (TYPO3_MODE === 'FE') {
        require_once(\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::extPath('bootstrap_package') . '/Contrib/less.php/Less.php');
        $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_pagerenderer.php']['render-preProcess'][] = 'BK2K\\BootstrapPackage\\Hooks\\PageRenderer\\PreProcessHook->execute';
    }
    $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['t3lib/class.t3lib_tcemain.php']['clearCachePostProc'][] = 'BK2K\\BootstrapPackage\\Hooks\\TceMain\\ClearCacheHook->clearLessCache';
}

/***************
 * Reset extConf array to avoid errors
 */
if (is_array($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY])) {
    $GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY] = serialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][$_EXTKEY]);
}