addtocal-8.x-2.0-beta2/addtocal.install

<?php
/**
 * Add to Cal install and update hooks.
 */

/**
 * Upgrade field display settings for version 2 of the module.
 */
function addtocal_update_8200(&$sandbox) {
  $entity_view_display_storage = \Drupal::entityTypeManager()->getStorage('entity_view_display');
  $entity_view_displays = $entity_view_display_storage->loadMultiple();

  /** @var \Drupal\Core\Entity\Display\EntityViewDisplayInterface $entity_view_display */
  foreach ($entity_view_displays as $entity_view_display) {
    foreach ($entity_view_display->getComponents() as $name => $component) {
      $type = $component['type'] ?? '';
      if ($type == 'addtocal_view') {
        $location = $component['settings']['location'] ?? '';
        if (!is_string($location)) {
          // Pull tokenized string, or create one from the field value.
          if (!empty($location['tokenized'])) {
            $location = $location['tokenized'];
          }
          elseif (!empty($location['value'])) {
            $location = '[' . $entity_view_display->getTargetEntityTypeId() . ':' . $location['value'] . ']';
          }
          else {
            $location = '';
          }
          $component['settings']['location'] = $location;
        }

        $description = $component['settings']['description'] ?? '';
        if (!is_string($description)) {
          // Pull tokenized string, or create one from the field value.
          if (!empty($description['tokenized'])) {
            $description = $description['tokenized'];
          }
          elseif (!empty($description['value'])) {
            $description = '[' . $entity_view_display->getTargetEntityTypeId() . ':' . $description['value'] . ']';
          }
          else {
            $description = '';
          }
          $component['settings']['description'] = $description;
        }

        $entity_view_display->setComponent($name, $component);
        $entity_view_display->save();
      }
    }
  }
}