?.php

/**
 * Implements hook_entity_view_alter().
 */
function edit_entity_view_alter(&$build, EntityInterface $entity, EntityDisplay $display) {
  $build['#attributes']['data-edit-entity'] = $entity->entityType() . '/' . $entity->id();
}

// /**
//  * Implements hook_preprocess_HOOK() for node.tpl.php.
//  *
//  * @todo Move towards hook_preprocess_entity() once that's available.
//  */
// function edit_preprocess_node(&$variables) {
//   $node = $variables['elements']['#node'];
//   $variables['attributes']['data-edit-entity'] = 'node/' . $node->nid;
// }

// /**
//  * Implements hook_preprocess_HOOK() for taxonomy-term.tpl.php.
//  *
//  * @todo Move towards hook_preprocess_entity() once that's available.
//  */
// function edit_preprocess_taxonomy_term(&$variables) {
//   $term = $variables['elements']['#term'];
//   $variables['attributes']['data-edit-entity'] = 'taxonomy_term/' . $term->id();
// }