public ModuleHandler::loadAllIncludes($type, $name = NULL)

A list of all currently available themes. Type:

The site path. Type: string File core/lib/Drupal/Co

List of installation profile directories to additionally scan. Type:

Whether the cache needs to be written. Type: bool File

hook_module_preinstall($module) Perform necessary actions before a module is installed.

public ThemeHandler::addTheme(Extension $theme)

protected ModuleHandler::verifyImplementations(&$implementations

List of directory names to skip when recursing. These directories are globally ignored in the recursive filesystem scan; i.e., extensions (of

public ThemeHandlerInterface::reset()