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function THEME_theme_suggestions_form_alter(array &$suggestions, array $variables) {
  $suggestions[] = 'form__' . $variables['element']['#form_id'];
}

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{{ link(content.field_products_image, content.field_products_read_more[0]['#url'], { 'class':['class-link']} ) }}

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function my_theme_preprocess_page(&$variables) {
  if ($variables['is_front']) {
      $variables['#attached']['library'][] = 'my_theme/googleMap';
  }
}

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function my_theme_preprocess_node(&$variables) {

  if (($variables['elements']['#attributes']['data-history-node-id']) == 10) {
       $variables['attributes']['class'][] = 'about-us-';
  }
}

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function my_theme_theme_suggestions_page_alter(array &$suggestions, array $variables) {
  // Naming templates based on page title.
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $translation = $node->getTranslation('en');
    $suggestions[] = 'page__node__' . strtolower($translation->title->value);
    $title = $node->getTitle();
    foreach ($suggestions as &$replace) {
      $replace = str_replace(' ', '_', $replace);
    }
  }

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function hook_preprocess_html(&$variables) {
  // Add node title as body class.
  if ($node = \Drupal::routeMatch()->getParameter('node')) {
    $node = $node->getTranslation('en');
    $title = $node->label();
    $title = str_replace(' ', '-', $title);
    $title = str_replace('_', '-', $title);
    $variables['title_en'] = strtolower($title);
  }

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