<?php

namespace DrupalCodeBuilder\Environment;

/**

* @defgroup drupal_code_builder_environment_version_helpers Environment version helpers

* @{

* Wrapper objects for Drupal APIs that change between Drupal major versions.

*

* These allow the environment classes to work orthogonally across different

* environments (Drush, Drupal UI) and different core versions.

*

* Each major version of Drupal core needs a version helper class, set up with

* \DrupalCodeBuilder\Environment\EnvironmentInterface\setCoreVersionNumber().

* No direct calls should be made to the helper, rather, the environment base

* class should provide a wrapper.

*

* Version helper classes inherit in a cascade, with older versions inheriting

* from newer. This means that if, say, an API function does not change between

* Drupal 9 and 10, then its wrapper does not need to be present in the Drupal 9

* helper class.

* @} End of "defgroup drupal_code_builder_environment_version_helpers".

*/

/**

* Environment helper for Drupal 9.

*/

class VersionHelper9 extends VersionHelper10 {

protected $major_version = 9;

/**

* Get the path to a Drupal extension, e.g. a module or theme

*/

function getExtensionPath($type, $name) {

// Check whether the extension exists, as D9 will throw an error when

// calling drupal_get_path() for a non-existent extension.

switch ($type) {

case 'module':

if (!\Drupal::moduleHandler()->moduleExists($name)) {

return;

}

break;

case 'theme':

if (!\Drupal::service('theme_handler')->themeExists($name)) {

return;

}

break;

case 'profile':

// TODO.

break;

}

return drupal_get_path($type, $name);

}

}