language_switcher_menu.module

<?php

/**
 * @file
 * Hook implementations by Language Switcher Menu module.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 *
 * @phpstan-param string $route_name
 * @phpstan-return array<mixed>
 */
function language_switcher_menu_help($route_name, RouteMatchInterface $route_match) {
  if ($route_name !== 'help.page.language_switcher_menu') {
    return [];
  }

  $build = [];
  $build['about_heading'] = [
    '#type' => 'html_tag',
    '#tag' => 'h3',
    '#value' => t('About'),
  ];
  $build['about_text'] = [
    '#type' => 'html_tag',
    '#tag' => 'p',
    '#value' => t('The %module_name module allows you to add the language switch links to one of your menus.', [
      '%module_name' => t('Language Switcher Menu'),
    ]),
  ];
  return $build;
}