<?php

/**
 * @file
 * A test theme engine.
 */

declare(strict_types=1);

/**
 * Implements hook_theme().
 */
function test_theme_engine_theme($existing, $type, $theme, $path): array {
  return drupal_find_theme_templates($existing, '.test.html', $path);
}

/**
 * Implements hook_extension().
 */
function test_theme_engine_extension(): string {
  return '.test.html';
}

/**
 * Implements hook_render_template().
 */
function test_theme_engine_render_template($template_file): string {
  return file_get_contents(\Drupal::root() . '/' . $template_file);
}