ucb_campus_map.module

<?php

/**
 * @file
 * Contains functional hooks used by the CU Boulder Campus Map module.
 */

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 *
 * Allows the campus map template in this module to override the site homepage.
 */
function ucb_campus_map_theme_suggestions_page_alter(array &$suggestions, array $variables) {
  if (\Drupal::service('path.matcher')->isFrontPage()) {
    $suggestions[] = 'page__campus_map';
  }
}

/**
 * Implements hook_preprocess_HOOK().
 *
 * Modfiies the homepage title to avoid duplication, e.g. “Campus Map | Campus
 * Map | University of Colorado Boulder”. The title is set to the site name.
 */
function ucb_campus_map_preprocess_html(array &$variables) {
  if (\Drupal::service('path.matcher')->isFrontPage()) {
    $variables['head_title'] = [\Drupal::config('system.site')->get('name')];
  }
}

/**
 * Implements hook_theme().
 *
 * Exposes the `page--campus-map.html.twig` template to Drupal's theming
 * engine.
 */
function ucb_campus_map_theme() {
  return [
    'page__campus_map' => [
      'variables' => [],
    ],
  ];
}