hook_event_dispatcher-8.x-2.04/hook_event_dispatcher.module

<?php

/**
 * @file
 * Hook event dispatcher module.
 */

/**
 * Implements hook_help().
 *
 * {@inheritdoc}
 */
function hook_event_dispatcher_help(string $routeName): string {
  if ($routeName === 'help.page.hook_event_dispatcher') {
    /** @var \Drupal\Core\Extension\ExtensionPathResolver $resolver */
    $resolver = \Drupal::service('extension.path.resolver');
    $path = $resolver->getPath('module', 'hook_event_dispatcher');
    $output = file_get_contents($path . '/README.md');
    return '<pre>' . $output . '</pre>';
  }
  return '';
}