crm_core-8.x-3.x-dev/crm_core.module

<?php

/**
 * @file
 * CRM Core module hooks.
 */

use Drupal\Core\Url;

/**
 * Implements hook_page_attachments().
 */
function crm_core_page_attachments(array &$attachments) {
  if (Url::fromRoute('crm_core.overview')->access() && \Drupal::currentUser()->hasPermission('access toolbar')) {
    $attachments['#attached']['library'][] = 'crm_core/admin';
  }
}