function d8_google_optimize_hide_page_page_attachments in Drupal 8 Google Optimize Hide Page 8

Implements hook_page_attachments().

Attach JavaScript to the appropriate scope/region of the page.

File

./d8_google_optimize_hide_page.module, line 191

d8_google_optimize_hide_page.module

Code

function d8_google_optimize_hide_page_page_attachments(array &$attachments) {
  if (!d8_google_optimize_hide_page_active()) {
    return;
  }
  $class_name = d8_google_optimize_hide_page_class_name();
  $isExternalFile = d8_google_optimize_hide_page_external_file();
  if ($isExternalFile) {

    /** @var \Drupal\Core\Routing\UrlGeneratorInterface $urlGenerator */
    $urlGenerator = \Drupal::service('url_generator');
    $cssPath = drupal_get_path('module', 'd8_google_optimize_hide_page') . '/d8_google_optimize_hide_page.css';
    $attachments['#attached']['html_head'][] = [
      [
        '#type' => 'html_tag',
        '#tag' => 'link',
        '#attributes' => [
          'rel' => 'stylesheet',
          'href' => $cssPath,
        ],
        '#weight' => -16,
      ],
      'd8-google-optimize-hide-page-css',
    ];
    $attachments['#attached']['html_head'][] = [
      [
        '#type' => 'html_tag',
        '#tag' => 'script',
        '#attributes' => [
          'src' => $urlGenerator
            ->generateFromRoute('d8_google_optimize_hide_page.snippet'),
        ],
        '#weight' => -15,
      ],
      "d8-google-optimize-hide-page-js",
    ];
  }
  else {
    $snippet = new SnippetGenerator();
    $attachments['#attached']['html_head'][] = [
      [
        '#type' => 'html_tag',
        '#tag' => 'script',
        '#value' => $snippet
          ->getSnippet(),
        '#attributes' => [],
      ],
      'd8-google-optimize-hide-page-js',
    ];
    $css = '.' . $class_name . ' { opacity: 0 !important} ';
    $attachments['#attached']['html_head'][] = [
      [
        '#type' => 'html_tag',
        '#tag' => 'style',
        '#value' => $css,
      ],
      'd8-google-optimize-hide-page-css',
    ];
  }
}