locale_system_set_config_langcodes

locale_system_set_config_langcodes()

function locale_system_set_config_langcodes() {
  // Need to rewrite some default configuration language codes if the default
  // site language is not English.
  $default_langcode = \Drupal::languageManager()->getDefaultLanguage()->getId();
  if ($default_langcode != 'en') {
    // Update active configuration copies of all prior shipped configuration if
    // they are still English. It is not enough to change configuration shipped
    // with the components just installed, because installing a component such
    // as views or tour module may bring in default configuration from prior
    // components.
    $names = Locale::config()->getComponentNames();
    foreach ($names as $name) {
      $config = \Drupal::configFactory()->reset($name)->getEditable($name);
      // Should only update if still exists in active configuration. If locale
      // module is enabled later, then some configuration may not exist anymore.
      if (!$config->isNew()) {
        $langcode = $config->get('langcode');
        if (empty($langcode) || $langcode == 'en') {
          $config->set('langcode', $default_langcode)->save();
        }
      }
    }
  }
}