ImageConfigUpdater.php

<?php

namespace Drupal\image;

use Drupal\Core\Entity\Display\EntityViewDisplayInterface;

/**
 * Provides a BC layer for modules providing old configurations.
 *
 * @internal
 *   This class is only meant to fix outdated image configuration and its
 *   methods should not be invoked directly. It will be removed once all the
 *   deprecated methods have been removed.
 */
final class ImageConfigUpdater {
    
    /**
     * Re-order mappings by breakpoint ID and descending numeric multiplier order.
     *
     * @param \Drupal\Core\Entity\Display\EntityViewDisplayInterface $view_display
     *   The view display.
     *
     * @return bool
     *   Whether the display was updated.
     */
    public function processImageLazyLoad(EntityViewDisplayInterface $view_display) : bool {
        $changed = FALSE;
        foreach ($view_display->getComponents() as $field => $component) {
            if (isset($component['type']) && $component['type'] === 'image' && !array_key_exists('image_loading', $component['settings'])) {
                $component['settings']['image_loading']['attribute'] = 'lazy';
                $view_display->setComponent($field, $component);
                $changed = TRUE;
            }
        }
        return $changed;
    }

}