gliderjs-1.0.x-dev/gliderjs.install

<?php

/**
 * @file
 * Installation actions for Glider.js.
 */

/**
 * Implements hook_requirements().
 */
function gliderjs_requirements($phase) {
  $requirements = [];

  // Check to see if the glider.js library is available.
  if ($phase == 'runtime') {
    $glider_found = FALSE;
    $once_found = FALSE;
    if (\Drupal::hasService('library.libraries_directory_file_finder')) {
      /** @var \Drupal\Core\Asset\LibrariesDirectoryFileFinder $library_file_finder */
      $library_file_finder = \Drupal::service('library.libraries_directory_file_finder');
      $glider_found = (bool) $library_file_finder->find('glider-js/glider.min.js');
      $once_found = (bool) $library_file_finder->find('drupal--once/dist/once.min.js');
    }

    if (!$glider_found) {
      $requirements['gliderjs'] = [
        'title' => t('Glider.js'),
        'description' => t('Glider.js library not found. Please consult the gliderjs modules README.md file for installation instructions.'),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
    if (!$once_found) {
      $requirements['drupal_once'] = [
        'title' => t('Drupal Once'),
        'description' => t('Drupal Once library not found. Please consult the gliderjs modules README.md file for installation instructions.'),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
  }
  return $requirements;
}