farm-2.x-dev/modules/core/entity/modules/views/farm_entity_views.module

<?php

/**
 * @file
 * Contains farm_entity_views.module.
 */

use Drupal\farm_entity_views\FarmEntityViewsData;
use Drupal\farm_entity_views\FarmLogViewsData;
use Drupal\farm_entity_views\FarmQuantityViewsData;

/**
 * Implements hook_module_implements_alter().
 */
function farm_entity_views_module_implements_alter(&$implementations, $hook) {

  // Make sure this module's hook_modules_installed runs after the entity
  // module's implementation, so that we rebuild views data after bundle fields
  // are installed.
  $module = 'farm_entity_views';
  if ($hook == 'modules_installed') {
    $implementation = [$module => $implementations[$module]];
    unset($implementations[$module]);
    $implementations = array_merge($implementations, $implementation);
  }
}

/**
 * Implements hook_modules_installed().
 */
function farm_entity_views_modules_installed($modules, $is_syncing) {

  // Reset the views data after installing modules.
  // See https://www.drupal.org/project/entity/issues/3206703#comment-14073184
  if (\Drupal::hasService('views.views_data')) {
    \Drupal::service('views.views_data')->clear();
  }
}

/**
 * Implements hook_entity_type_build().
 */
function farm_entity_views_entity_type_build(array &$entity_types) {
  /** @var \Drupal\Core\Entity\EntityTypeInterface[] $entity_types */

  // Set the views data handler class to FarmEntityViewsData.
  foreach (['asset', 'log', 'plan', 'quantity'] as $entity_type) {
    if (!empty($entity_types[$entity_type])) {

      // Use the correct class for each entity type.
      // Logs and quantities provide their own that we must extend from.
      $views_data_class = FarmEntityViewsData::class;
      switch ($entity_type) {
        case 'log':
          $views_data_class = FarmLogViewsData::class;
          break;

        case 'quantity':
          $views_data_class = FarmQuantityViewsData::class;
          break;
      }
      $entity_types[$entity_type]->setHandlerClass('views_data', $views_data_class);
    }
  }
}