59 lines
2.3 KiB
PHP
59 lines
2.3 KiB
PHP
<?php
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declare(strict_types=1);
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/*
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* This file is part of the TYPO3 CMS project.
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*
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* It is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, either version 2
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* of the License, or any later version.
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*
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* For the full copyright and license information, please read the
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* LICENSE.txt file that was distributed with this source code.
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*
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* The TYPO3 project - inspiring people to share!
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*/
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namespace TYPO3\CMS\Core\Page;
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use Psr\Http\Message\ServerRequestInterface;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Trait used to add default JavaScript in frontend rendering context
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* while considering TypoScript setting `config.removeDefaultJS` as well.
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*
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* @internal only to be used in EXT:frontend and TYPO3 Core, not part of TYPO3 Core API.
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*/
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trait DefaultJavaScriptAssetTrait
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{
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protected function addDefaultFrontendJavaScript(ServerRequestInterface $request): void
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{
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// `config.removeDefaultJS = 1` - remove default JavaScript, no action required
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if ($this->shallRemoveDefaultFrontendJavaScript($request)) {
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return;
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}
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$filePath = 'EXT:frontend/Resources/Public/JavaScript/default_frontend.js';
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$collector = GeneralUtility::makeInstance(AssetCollector::class);
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// `config.removeDefaultJS = external` - persist JavaScript to `typo3temp/assets/`
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if ($this->shallExportDefaultFrontendJavaScript($request)) {
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$source = file_get_contents(GeneralUtility::getFileAbsFileName($filePath));
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$filePath = GeneralUtility::writeJavaScriptContentToTemporaryFile((string)$source);
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}
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$collector->addJavaScript('frontend-default', $filePath, ['async' => 'async']);
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}
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protected function shallRemoveDefaultFrontendJavaScript(ServerRequestInterface $request): bool
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{
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$frontendTypoScriptConfigArray = $request->getAttribute('frontend.typoscript')?->getConfigArray();
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return ($frontendTypoScriptConfigArray['removeDefaultJS'] ?? 'external') === '1';
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}
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protected function shallExportDefaultFrontendJavaScript(ServerRequestInterface $request): bool
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{
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$frontendTypoScriptConfigArray = $request->getAttribute('frontend.typoscript')?->getConfigArray();
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return ($frontendTypoScriptConfigArray['removeDefaultJS'] ?? 'external') === 'external';
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}
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}
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