ext_localconf.php

<?php

/*
 * This file is part of the "image_compression" Extension for TYPO3 CMS.
 *
 * For the full copyright and license information, please read the
 * LICENSE file that was distributed with this source code.
 */

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

$boot = function () {
    $GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['image_compression'] = [
        'compressors' => [
            \Codemonkey1988\ImageCompression\Compressor\TinifyCompressor::class,
        ],
    ];

    // Add scheduler task for compressing images.
    $GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['scheduler']['tasks'][\Codemonkey1988\ImageCompression\Task\CompressTask::class] = [
        'extension' => 'codemonkey1988.image_compressor',
        'title' => 'LLL:EXT:image_compression/Resources/Private/Language/locallang_be.xlf:task.compress',
        'description' => 'LLL:EXT:image_compression/Resources/Private/Language/locallang_be.xlf:task.compress.description',
        'additionalFields' => \Codemonkey1988\ImageCompression\Task\CompressTaskFieldProvider::class,
    ];

    /** @var \TYPO3\CMS\Extbase\SignalSlot\Dispatcher $signalSlotDispatcher */
    $signalSlotDispatcher = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Extbase\SignalSlot\Dispatcher::class);

    $signalSlotDispatcher->connect(
        \TYPO3\CMS\Core\Resource\ResourceStorage::class,
        \TYPO3\CMS\Core\Resource\ResourceStorage::SIGNAL_PostFileAdd,
        \Codemonkey1988\ImageCompression\Signal\ResourceStorageSignal::class,
        'postFileAdd'
    );
    $signalSlotDispatcher->connect(
        \TYPO3\CMS\Core\Resource\ResourceStorage::class,
        \TYPO3\CMS\Core\Resource\ResourceStorage::SIGNAL_PostFileReplace,
        \Codemonkey1988\ImageCompression\Signal\ResourceStorageSignal::class,
        'postFileReplace'
    );
};

$boot();
unset($boot);