views_test_entity_reference.module

<?php


/**
 * @file
 * Views data altering to test use of the entity reference plugin.
 */
declare (strict_types=1);

/**
 * Implements hook_views_data_alter().
 */
function views_test_entity_reference_views_data_alter(&$data) {
    $manager = \Drupal::entityTypeManager();
    $field_config_storage = $manager->getStorage('field_config');
    
    /** @var \Drupal\field\FieldConfigInterface[] $field_configs */
    $field_configs = $field_config_storage->loadByProperties([
        'field_type' => 'entity_reference',
    ]);
    foreach ($field_configs as $field_config) {
        $table_name = $field_config->getTargetEntityTypeId() . '__' . $field_config->getName();
        $column_name = $field_config->getName() . '_target_id';
        if (isset($data[$table_name][$column_name]['filter']['id']) && in_array($data[$table_name][$column_name]['filter']['id'], [
            'numeric',
            'string',
        ])) {
            $data[$table_name][$column_name]['filter']['id'] = 'entity_reference';
        }
    }
}