MinificationSubscriber.php in Advanced CSS/JS Aggregation 8.4

Namespace

Drupal\advagg_bundler\EventSubscriber

File

advagg_bundler/src/EventSubscriber/MinificationSubscriber.php

<?php

namespace Drupal\advagg_bundler\EventSubscriber;

use Drupal\advagg\Asset\AssetOptimizationEvent;
use Drupal\advagg\Asset\SingleAssetOptimizerBase;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Subscribe to asset optimization events and minify assets.
 */
class MinificationSubscriber implements EventSubscriberInterface {

  /**
   * The minifier.
   *
   * @var \Drupal\advagg\Asset\SingleAssetOptimizerBase
   */
  protected $minifier;

  /**
   * Construct the optimizer instance.
   *
   * @param \Drupal\advagg\Asset\SingleAssetOptimizerBase $minifier
   *   The minifier.
   */
  public function __construct(SingleAssetOptimizerBase $minifier) {
    $this->minifier = $minifier;
  }

  /**
   * Pass the minification over to the minification service.
   *
   * @param \Drupal\advagg\Asset\AssetOptimizationEvent $asset
   *   The optimization event.
   */
  public function minify(AssetOptimizationEvent $asset) {
    $content = $asset
      ->getContent();
    $content = $this->minifier
      ->optimize($content, $asset
      ->getAsset(), $asset
      ->getData());
    $this->minifier
      ->addLicense($content, $asset
      ->getAsset()['data']);
    $asset
      ->setContent($content);
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    return [
      AssetOptimizationEvent::JS => [
        'minify',
        0,
      ],
    ];
  }

}

Classes

Name	Description
MinificationSubscriber	Subscribe to asset optimization events and minify assets.