devel_entity_test.module

<?php


/**
 * @file
 * Test module for the entity API providing several entity types for testing.
 */

/**
 * Implements hook_entity_view_mode_info_alter().
 */
function devel_entity_test_entity_view_mode_info_alter(array &$view_modes) : void {
    $entity_info = \Drupal::entityTypeManager()->getDefinitions();
    foreach ($entity_info as $entity_type => $info) {
        if ($info->getProvider() !== 'devel_entity_test_canonical') {
            continue;
        }
        if (isset($view_modes[$entity_type])) {
            continue;
        }
        $view_modes[$entity_type] = [
            'full' => [
                'label' => t('Full object'),
                'status' => TRUE,
                'cache' => TRUE,
            ],
            'teaser' => [
                'label' => t('Teaser'),
                'status' => TRUE,
                'cache' => TRUE,
            ],
        ];
    }
}