documentation_export.module

<?php

/**
 * @file
 * This module provide an interface that summarize entities types on the site.
 */

use Drupal\Core\Url;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function documentation_export_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.documentation_export':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('This module provide an administration page that display a summary of the ConfigEntityType (like node types, paragraphs types, media types, etc) and their fields.') . '</p>';
      $output .= '<h3>' . t('Uses') . '</h3>';
      $output .= '<p>' . t('It can be used to help create a technical documentation of the website, navigate faster between entities and fields, and help to understand which entities types are present on the site.') . '</p>';
      $output .= '<h3>' . t('Configuration') . '</h3>';
      $output .= '<p>' . t('<a href=":actions">The configuration page of the module</a> is used to set which entities can be displayed in the documentation page.',
          [
            ':actions' => Url::fromRoute('documentation_export.configuration')
              ->toString(),
          ]) . '</p>';
      return $output;
  }
}

/**
 * Implements hook_theme().
 */
function documentation_export_theme($existing, $type, $theme, $path) {
  return [
    'documentation_page' => [
      'variables' => [
        'data' => NULL,
      ],
    ],
    'pdf_export_page' => [
      'variables' => [
        'data' => NULL,
        'stylesheet' => NULL,
      ],
    ],
  ];
}