codemirror_field-8.x-1.0-rc1/codemirror_field.install

<?php

/**
 * @file
 * Contains hook_requirements() implementation for Codemirror Field module.
 */

/**
 * Implements hook_requirements().
 */
function codemirror_field_requirements($phase) {
  $requirements = [];
  if ($phase == 'install') {
    $codemirror_path = DRUPAL_ROOT . '/libraries/codemirror5';
    if (!file_exists($codemirror_path)) {
      $requirements['codemirror'] = [
        'description' => t('Your Library Name library is missing.'),
        'severity' => REQUIREMENT_ERROR,
      ];
    }
  }

  return $requirements;
}