protected static BigPipeStrategy::createBigPipeJsPlaceholder($original_placeholder, array $placeholder_render_array)
Creates a BigPipe JS placeholder.
Parameters
string $original_placeholder: The original placeholder.
array $placeholder_render_array: The render array for a placeholder.
Return value
array The resulting BigPipe JS placeholder render array.
File
- core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php, line 182
Class
- BigPipeStrategy
- Defines the BigPipe placeholder strategy, to send HTML in chunks.
Namespace
Drupal\big_pipe\Render\Placeholder
Code
protected static function createBigPipeJsPlaceholder($original_placeholder, array $placeholder_render_array) {
$big_pipe_placeholder_id = static::generateBigPipePlaceholderId($original_placeholder, $placeholder_render_array);
return [
'#markup' => '<div data-big-pipe-placeholder-id="' . Html::escape($big_pipe_placeholder_id) . '"></div>',
'#cache' => [
'max-age' => 0,
'contexts' => [
'session.exists',
],
],
'#attached' => [
'library' => [
'big_pipe/big_pipe',
],
// Inform BigPipe' JavaScript known BigPipe placeholder IDs (a whitelist).
'drupalSettings' => [
'bigPipePlaceholderIds' => [$big_pipe_placeholder_id => TRUE],
],
'big_pipe_placeholders' => [
Html::escape($big_pipe_placeholder_id) => $placeholder_render_array,
],
],
];
}
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