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<?php |
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/** |
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* Copyright (c) 2019. Volodymyr Hryvinskyi. All rights reserved. |
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* @author: <mailto:[email protected]> |
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* @github: <https://github.com/hryvinskyi> |
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*/ |
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declare(strict_types=1); |
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namespace Hryvinskyi\DeferJs\Model; |
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use Hryvinskyi\Base\Helper\ArrayHelper; |
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use Hryvinskyi\Base\Helper\Json; |
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use Hryvinskyi\DeferJs\Helper\Config; |
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use Hryvinskyi\DeferJs\Model\Minify\MinifyJsInterface; |
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use Hryvinskyi\DeferJs\Model\PassesValidator\ValidateSkipper; |
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use Magento\Framework\App\Response\Http; |
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/** |
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* Class MoveJsToFooter |
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*/ |
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class MoveJsToFooter implements MoveJsToFooterInterface |
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{ |
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/** |
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* @var Config |
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*/ |
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private $config; |
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/** |
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* @var MinifyJsInterface |
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*/ |
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private $minifyJs; |
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/** |
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* @var ValidateSkipper |
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*/ |
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private $validateSkipper; |
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/** |
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* MoveJsToFooter constructor. |
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* |
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* @param Config $config |
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* @param MinifyJsInterface $minifyJs |
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* @param ValidateSkipper $validateSkipper |
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*/ |
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public function __construct( |
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Config $config, |
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MinifyJsInterface $minifyJs, |
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ValidateSkipper $validateSkipper |
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) { |
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$this->config = $config; |
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$this->minifyJs = $minifyJs; |
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$this->validateSkipper = $validateSkipper; |
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} |
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/** |
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* @param Http $http |
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* |
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* @return void |
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*/ |
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public function execute(Http $http) |
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{ |
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$scripts = []; |
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$html = $http->getBody(); |
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$jsons = []; |
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$scriptStart = '<script'; |
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$scriptEnd = '</script>'; |
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$start = 0; |
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$i = 0; |
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while (($start = stripos($html, $scriptStart, $start)) !== false) { |
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$end = stripos($html, $scriptEnd, $start); |
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if ($end === false) { |
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break; |
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} |
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$len = $end + strlen($scriptEnd) - $start; |
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$script = substr($html, $start, $len); |
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if ( |
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$this->config->isOptimizeXMagentoInitScripts() && |
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strpos($script, 'text/x-magento-init') !== false |
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) { |
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$jsons[] = strip_tags($script); |
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$html = str_replace($script, '', $html); |
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continue; |
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} |
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if ($this->validateSkipper->execute($script, $http)) { |
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$start++; |
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continue; |
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} |
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$html = str_replace($script, '', $html); |
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$scripts[] = $script; |
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$i++; |
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} |
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if ($this->config->isMinifyBodyScript()) { |
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$scripts = $this->minifyJs->execute($scripts); |
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} |
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$merged = []; |
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foreach ($jsons as $json) { |
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$json = Json::decode($json); |
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$merged = ArrayHelper::merge($merged, $json); |
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} |
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if (count($merged) > 0) { |
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$merged = '<script type=text/x-magento-init>' . Json::encode($merged) . '</script>'; |
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} else { |
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$merged = ''; |
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} |
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$scripts = implode('', $scripts); |
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if ($endBody = stripos($html, '</body>')) { |
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$html = substr($html, 0, $endBody) . $merged . $scripts . substr($html, $endBody); |
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} else { |
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$html .= $merged . $scripts; |
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} |
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$http->setBody($html); |
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} |
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} |
hryvinskyi /
magento2-deferjs
