Issue #3286450 by nikathone, andileco: Automated Drupal 10 compatibility fixes

 */

function _charts_library_check_source_exists(string $source) {

  $source = rtrim($source, '/');

  // @todo refactor the if statement below when dropping support for drupal 8.

  if (version_compare(\Drupal::VERSION, '9.0', '<')) {

    $app_root = \Drupal::service('app.root');

    $site_path = \Drupal::service('site.path');

  }

  else {

    $container = \Drupal::getContainer();

    $app_root = $container->getParameter('app.root');

    $site_path = $container->getParameter('site.path');

  }

  // The following logic is taken from libraries_get_libraries()

  $search_dir = [];

  $search_dir[] = \Drupal::service('app.root');

  $search_dir[] = $app_root;

  // Similar to 'modules' and 'themes' directories inside an installation

  // profile, installation profiles may want to place libraries into a

  // 'libraries' directory.

  $search_dir[] = 'profiles/' . \Drupal::installProfile();

  // Also search sites/<domain>/*.

  $search_dir[] = \Drupal::service('site.path');

  $search_dir[] = $site_path;

  foreach ($search_dir as $dir) {

    if (file_exists($dir . $source) || file_exists($dir . $source)) {