Drupal 8: Proper way to consistently get field entity according to active language in themename.theme

themename.theme.php

function THEME_preprocess_page__node(&$variables) {
  $translated_node = \Drupal::service('entity.repository')->getTranslationFromContext($variables['node']);
  if (!empty($translated_node)) {
    $field_data = $translated_node->get('FIELD_MACHINE_NAME')->getValue();
  }
}