public function LazyImageFormatter::viewElements in Lazy-load 8.3

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides ImageFormatter::viewElements

File

src/Plugin/Field/FieldFormatter/LazyImageFormatter.php, line 27

Class

LazyImageFormatter

Plugin implementation of the 'lazy_image' formatter.

Namespace

Drupal\lazy\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = parent::viewElements($items, $langcode);
  foreach ($elements as $delta => $element) {
    $elements[$delta]['#item_attributes']['data-lazy'] = TRUE;
  }
  return $elements;
}