public function BigPipeRenderStrategy::renderPlaceholder in Render cache 7.2

File

modules/renderer/render_cache_big_pipe/src/RenderCache/RenderStrategy/BigPipeRenderStrategy.php, line 42

Contains \Drupal\render_cache_big_pipe\RenderCache\RenderStrategy\BigPipeRenderStrategy

Class

BigPipeRenderStrategy

Big Pipe RenderStrategy - Provides big pipe processing for placeholders.

Namespace

Drupal\render_cache_big_pipe\RenderCache\RenderStrategy

Code

public function renderPlaceholder($placeholder, $ph_object) {
  $rcc = render_cache_get_controller($ph_object['type']);
  $rcc
    ->setContext($ph_object['context']);
  $objects = array(
    $ph_object['id'] => $ph_object['object'],
  );
  $build = $rcc
    ->viewPlaceholders($objects);
  $output = drupal_render($build);
  $html = drupal_json_encode($output);

  // @todo Add helper function.
  $markup = <<<EOF
<script type="text/javascript">
var element = document.getElementById("{<span class="php-variable">$placeholder</span>}");
var newElement = document.createElement("span");
newElement.innerHTML = {<span class="php-variable">$html</span>};
var newChild = newElement.firstChild;
element.parentNode.replaceChild(newChild, element);
</script>
EOF;
  return $markup;
}