protected function ComposerPackage::detectVersion in Markdown 8.2

Detects the installed version of a Composer package.

Return value

string|void The detected version of the Composer package or NULL if not enabled.

Overrides InstallableLibrary::detectVersion

File

src/Annotation/ComposerPackage.php, line 27

Class

ComposerPackage

Annotation for providing an installable library via Composer.

Namespace

Drupal\markdown\Annotation

Code

protected function detectVersion() {
  $id = $this
    ->getId();

  // Composer 1 support.
  // @todo Remove in 4.0.0.
  // @see https://www.drupal.org/project/markdown/issues/3200476
  if (!class_exists('\\Composer\\InstalledVersions')) {
    return Composer::getInstalledVersion($id) ?: Composer::getVersionFromClass($this->object);
  }

  // Composer 2+ runtime installed versions support.
  // @see https://getcomposer.org/doc/07-runtime.md#knowing-the-version-of-package-x
  if (InstalledVersions::isInstalled($id)) {
    return InstalledVersions::getPrettyVersion($id);
  }
}