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administrator/components/com_jchoptimize/fields/excludecomponent.php

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+<?php
+
+/**
+ * JCH Optimize - Performs several front-end optimizations for fast downloads
+ *
+ * @package   jchoptimize/joomla-platform
+ * @author    Samuel Marshall <samuel@jch-optimize.net>
+ * @copyright Copyright (c) 2020 Samuel Marshall / JCH Optimize
+ * @license   GNU/GPLv3, or later. See LICENSE file
+ *
+ * If LICENSE file missing, see <http://www.gnu.org/licenses/>.
+ */
+
+use JchOptimize\ContainerFactory;
+use Joomla\Filesystem\Folder;
+
+defined( '_JEXEC' ) or die;
+
+include_once dirname( __FILE__ ) . '/exclude.php';
+
+class JFormFieldExcludecomponent extends JFormFieldExclude
+{
+	public $type = 'excludecomponent';
+
+	protected function getOptions(): array
+	{
+		$options = [];
+
+		$params = ContainerFactory::getContainer()->get( 'params' );
+
+		$installedComponents = Folder::folders( JPATH_SITE . '/components' );
+		$excludedComponents  = $params->get( 'cache_exclude_component', [ 'com_ajax' ] );
+
+		$components = array_unique( array_merge( $installedComponents, $excludedComponents ) );
+
+		foreach ( $components as $component )
+		{
+			$options[ $component ] = $component;
+		}
+
+		return $options;
+	}
+}