dvf-2.x-dev/dvf.module

<?php

/**
 * @file
 * Data Visualisation Framework module.
 */

use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function dvf_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.dvf':
      $output = '<p>' . t('The <a href=":dvf_url">Data Visualisation Framework</a> module makes it easy to generate visualisations from different data sources.', [':dvf_url' => 'https://www.drupal.org/project/dvf']) . '</p>';
      return $output;
  }
}

/**
 * Implements hook_theme().
 */
function dvf_theme($existing, $type, $theme, $path) {
  return [
    'help_page' => [
      'variables' => [
        'topic' => '',
        'title' => '',
        'css' => '',
      ],
    ],
  ];
}