swup-1.0.0-alpha1/swup.install

<?php

/**
 * @file
 * Install, update, uninstall Requirements functions for the Swup module.
 */

define('SWUP_CDN_URL', 'https://unpkg.com/swup@4');
define('SWUP_COMPOSER_INSTALL_INFO', 'https://www.drupal.org/docs/develop/using-composer/using-composer-to-install-drupal-and-manage-dependencies');

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

  if ($phase != 'runtime') {
    return $requirements;
  }

  // Check if Swup library is installed locally.
  $swup_exists = swup_check_installed();

  // Get using Swup version.
  $version = $swup_exists ? swup_detect_version() : '4.8.2';

  // Show the status of the library in the status report section.
  if ($swup_exists) {
    $status = t('Installed locally <em>(Version @version)</em>', ['@version' => $version]);
    $description = t('The Swup.js library was found in the local libraries path and enabled.');
  }
  else {
    $status = t('Using CDN <em>(Version @version)</em>', ['@version' => $version]);
    $description = t('The Swup.js library is loaded from <strong>CDN</strong> (unpkg).<br>For local installation, use Composer with Asset Packagist to install npm-asset/swup to "/libraries/swup".<br>See <a href="@composerUrl" rel="external" target="_blank">Composer documentation</a> for details.', [
      '@composerUrl' => SWUP_COMPOSER_INSTALL_INFO,
    ]);
  }

  $requirements['swup'] = [
    'title'       => t('Swup.js library'),
    'value'       => $status,
    'severity'    => REQUIREMENT_OK,
    'description' => $description,
  ];

  return $requirements;
}

/**
 * Implements hook_install().
 */
function swup_install() {
  // Check for Swup.js library local installation.
  $library_exists = swup_check_installed();
  if (!$library_exists) {
    \Drupal::messenger()->addWarning(t('The Swup module will use the <strong>CDN version</strong> of Swup.js.<br>For local installation, use Composer with Asset Packagist to install npm-asset/swup.'));
  }

  \Drupal::messenger()->addMessage(t('Thanks for installing Swup module.'));
}