/**
* {@inheritdoc}
*/
public function calculateDependencies()
{
$dependencies = parent::calculateDependencies();
$style_id = $this->getSetting('preview_image_style');
/** @var \Drupal\image\ImageStyleInterface $style */
if ($style_id && ($style = ImageStyle::load($style_id))) {
// If this widget uses a valid image style to display the preview of the
// uploaded image, add that image style configuration entity as dependency
// of this widget.
$dependencies[$style->getConfigDependencyKey()][] = $style->getConfigDependencyName();
}
return $dependencies;
}
