easy_social-8.x-3.x-dev/contrib/easy_social_example/easy_social_example.module

<?php
/**
 * @file
 * Easy Social Example module.
 */

use Drupal\Core\Url;
use Drupal\Core\Link;

/**
 * Implements hook_easy_social_widget().
 */
function easy_social_example_easy_social_widget() {
  $widgets = [];

  // The key is going to be the widget's machine_name.
  $widgets['example'] = [
    'name' => t('Example'),
    // If we wanted to add some additional css or js for our widet, we can do
    // so here. Refer to easy_social.api.php for more information on how to
    // implement hook_easy_social_widget().
    // 'js' => [],
    // 'css' => [],
  ];

  return $widgets;
}

/**
 * Implements hook_theme().
 */
function easy_social_example_theme() {
  $return = [];

  // The theme function should be named "easy_social_$WIDGET", where $WIDGET is
  // the widget's machine_name.
  $return['easy_social_example'] = [
    'variables' => [],
  ];

  return $return;
}

/**
 * Implements hook_preprocess_HOOK() for easy_social_example theme.
 *
 * @see easy_social_theme()
 * @see theme_easy_social_example()
 */
function easy_social_example_preprocess_easy_social_example(&$variables) {
  // You can still pre-process this as usual.
  // Notice that the config settings have been automatically added.

  $options = [];
  $options['attributes']['class'] = [
    'class' => 'example-share-button',
  ];

  $url = Url::fromUri('http://www.example.com/share', $options);
  $example_share_link = Link::fromTextAndUrl(t('Example share'), $url);

  $variables['example_share_link'] = $example_share_link;
}

/**
 * Implements hook_process_HOOK() for easy_social_example theme.
 *
 * @see easy_social_theme()
 * @see theme_easy_social_example()
 */
function easy_social_example_process_easy_social_example(&$variables) {
  // You can still process this as usual.
}