iso3166.module

<?php

/**
 * @file
 * The iso3166 module.
 */

use Drupal\Core\Render\Element;
use Drupal\Core\Render\Element\RenderElement;

/**
 * Implements hook_theme().
 */
function iso3166_theme() {
  return [
    'country' => [
      'render element' => 'element',
    ],
    'continent' => [
      'render element' => 'element',
    ],
  ];
}

/**
 * Prepares variables for iso3166 continent templates.
 *
 * Default template: continent.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - element: An associative array containing the properties of the element.
 *     Properties used: #attributes.
 */
function template_preprocess_continent(array &$variables) {
  $element = $variables['element'];
  Element::setAttributes($element, ['id', 'name', 'size']);
  RenderElement::setAttributes($element, ['form-select']);

  $variables['attributes'] = $element['#attributes'];
  $variables['options'] = form_select_options($element);
}

/**
 * Prepares variables for iso3166 country templates.
 *
 * Default template: country.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - element: An associative array containing the properties of the element.
 *     Properties used: #attributes.
 */
function template_preprocess_country(array &$variables) {
  $element = $variables['element'];
  Element::setAttributes($element, ['id', 'name', 'size']);
  RenderElement::setAttributes($element, ['form-select']);

  $variables['attributes'] = $element['#attributes'];
  $variables['options'] = form_select_options($element);
}