autogrow_textarea.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the Autogrow Textarea module.
 */

/**
 * Implements hook_requirements().
 */
function autogrow_textarea_requirements($phase) {
  if ($phase != 'runtime') {
    return [];
  }

  $library = \Drupal::service('library.discovery')->getLibraryByName('autogrow_textarea', 'jquery_ns_autogrow');
  $library_exists = file_exists(DRUPAL_ROOT . '/' . $library['js'][0]['data']);
  $library_download = 'https://github.com/ro31337/jquery.ns-autogrow/archive/1.1.6.zip';
  return [
    'autogrow_library' => [
      'title' => t('jQuery NS-Autogrow library'),
      'value' => $library_exists ? t('Installed') : t('Not installed'),
      'description' => $library_exists ? '' : t('The jQuery NS-Autogrow library needs to be <a href="@url">downloaded</a> and extracted into the /libraries/jquery_ns_autogrow folder in your Drupal installation directory.', ['@url' => $library_download]),
      'severity' => $library_exists ? REQUIREMENT_OK : REQUIREMENT_ERROR,
    ],
  ];
}