zooming-8.x-1.0/zooming.install

<?php

/**
 * @file
 * Installation actions for Zooming.
 */

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

  $requirements = [];
  $path = blazy()->getLibrariesPath('zooming') ?: \Drupal::root() . '/libraries/zooming';
  $exists = FALSE;

  if ($path && is_dir($path)) {
    $exists = is_file($path . '/build/zooming.min.js');
  }

  $requirements['zooming_library'] = [
    'title'       => t('Zooming library'),
    'severity'    => $exists ? REQUIREMENT_OK : REQUIREMENT_ERROR,
    'value'       => $exists ? t('Installed') : t('Not installed'),
    'description' => $exists ? '' : t('The <a href="@url">Zooming library</a> should be installed at <strong>/libraries/zooming/build/zooming.min.js</strong>, or any path supported by libraries.module. Check out file or folder permissions if troubled.', [
      '@url' => 'https://github.com/kingdido999/zooming',
    ]),
  ];

  return $requirements;
}