Automattic\WooCommerce\Internal\Admin
WCAdminAssets::output_header_preload_tags_for_type()
Output a preload link tag for dependencies (and their sub dependencies) with an optional allowlist.
See: https://macarthur.me/posts/preloading-javascript-in-wordpress
Метод класса: WCAdminAssets{}
Хуков нет.
Возвращает
null
. Ничего (null).
Использование
// private - только в коде основоного (родительского) класса $result = $this->output_header_preload_tags_for_type( $type, $allowlist );
- $type(строка) (обязательный)
- Dependency type - 'script' or 'style'.
- $allowlist(массив)
- List of allowed dependency handles.
По умолчанию: array()
Код WCAdminAssets::output_header_preload_tags_for_type() WCAdminAssets::output header preload tags for type WC 8.7.0
private function output_header_preload_tags_for_type( $type, $allowlist = array() ) { if ( $type === 'script' ) { $dependencies_of_type = wp_scripts(); } elseif ( $type === 'style' ) { $dependencies_of_type = wp_styles(); } else { return; } foreach ( $dependencies_of_type->queue as $dependency_handle ) { $dependency = $dependencies_of_type->query( $dependency_handle, 'registered' ); if ( $dependency === false ) { continue; } // Preload the subdependencies first. foreach ( $dependency->deps as $sub_dependency_handle ) { $sub_dependency = $dependencies_of_type->query( $sub_dependency_handle, 'registered' ); if ( $sub_dependency ) { $this->maybe_output_preload_link_tag( $sub_dependency, $type, $allowlist ); } } $this->maybe_output_preload_link_tag( $dependency, $type, $allowlist ); } }