PackageVersions\Installer::getRootPackageAlias PHP Method

getRootPackageAlias() private static method

private static getRootPackageAlias ( Composer\Package\RootPackageInterface $rootPackage ) : Composer\Package\PackageInterface
$rootPackage Composer\Package\RootPackageInterface
return Composer\Package\PackageInterface
    private static function getRootPackageAlias(RootPackageInterface $rootPackage) : PackageInterface
    {
        $package = $rootPackage;
        while ($package instanceof AliasPackage) {
            $package = $package->getAliasOf();
        }
        return $package;
    }