cookies-1.0.3/modules/cookies_gtag/cookies_gtag.module

<?php

/**
 * @file
 * Contains cookies_ga.module.
 */

use Drupal\cookies\Constants\CookiesConstants;
use Drupal\Core\Asset\AttachedAssetsInterface;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_help().
 */
function cookies_gtag_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Main module help for the cookies_ga module.
    case 'help.page.cookies_ga':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('Submodule of COOKiES to manage Google Analytics (by "google_analytics" module) inside of COOKiES consent management.') . '</p>';
      return $output;

    default:
  }
}

/**
 * Implements hook_page_attachments().
 */
function cookies_gtag_page_attachments(&$page) {
  $doKo = Drupal::service('cookies.knock_out')->doKnockOut();
  if ($doKo) {
    $page["#attached"]["library"][] = 'cookies_gtag/gtag';
  }
}

/**
 * Implements hook_js_alter().
 */
function cookies_gtag_js_alter(&$javascript, AttachedAssetsInterface $assets) {
  $doKo = Drupal::service('cookies.knock_out')->doKnockOut();
  if ($doKo) {
    $module_path = \Drupal::service('extension.list.module')->getPath('google_tag');
    $scripts = [
      'gtag' => $module_path . '/js/gtag.js',
      'gtm' => $module_path . '/js/gtm.js',
    ];
    foreach ($scripts as $key => $script) {
      if (isset($javascript[$script])) {
        $javascript[$script]['preprocess'] = FALSE;
        $javascript[$script]['attributes']['type'] = CookiesConstants::COOKIES_SCRIPT_KO_TYPE;
        $javascript[$script]['attributes']['id'] = 'cookies_gtag_' . $key;
        $javascript[$script]['attributes']['data-cookieconsent'] = 'gtag';
      }
    }
  }
}