function flexslider_requirements in Flex Slider 8.2

Same name and namespace in other branches

1. 7.2 flexslider.install \flexslider_requirements()
2. 7 flexslider.install \flexslider_requirements()

Implements hook_requirements().

File

./flexslider.install, line 26

Installation actions for FlexSlider.

Code

function flexslider_requirements($phase) {
  $requirements = [];

  // Check to see if the flexslider library is available.
  if ($phase == 'runtime') {

    // @todo Remove this conditional once 8.9 is the minimum supported core
    // version.
    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');
      $found = (bool) $library_file_finder
        ->find('flexslider/jquery.flexslider-min.js');
    }
    else {
      $path = DRUPAL_ROOT . '/libraries/flexslider/jquery.flexslider-min.js';
      if (\Drupal::moduleHandler()
        ->moduleExists('libraries')) {
        $path = libraries_get_path('flexslider') . '/jquery.flexslider-min.js';
      }
      $found = file_exists($path);

      // Find the library in the profiles path if not found.
      if (!$found) {
        $path = drupal_get_path('profile', \Drupal::installProfile());
        $path .= '/libraries/flexslider/jquery.flexslider-min.js';
        $found = file_exists($path);
      }
    }
    if (!$found) {
      $requirements['flexslider'] = [
        'title' => t('FlexSlider'),
        'description' => t('FlexSlider library not found. Please consult the README.md for installation instructions.'),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
  }
  return $requirements;
}