/**
* {@inheritdoc}
*/
public function build()
{
// The id saved in the configuration is in the format of
// base_plugin:facet_id. We're splitting that to get to the facet id.
$facet_mapping = $this->configuration['id'];
$facet_id = explode(PluginBase::DERIVATIVE_SEPARATOR, $facet_mapping)[1];
/** @var \Drupal\facets\FacetInterface $facet */
$facet = $this->facetStorage->load($facet_id);
// Let the facet_manager build the facets.
$build = $this->facetManager->build($facet);
// Add contextual links only when we have results.
if (!empty($build)) {
$build['#contextual_links']['facets_facet'] = ['route_parameters' => ['facets_facet' => $facet->id()]];
}
return $build;
}
