yii\console\controllers\AssetController::isBundleExternal PHP Метод

private isBundleExternal ( AssetBundle $bundle ) : boolean
$bundle	yii\web\AssetBundle
Результат	boolean	whether asset bundle external or not.

    private function isBundleExternal($bundle)
    {
        return empty($bundle->sourcePath) && empty($bundle->basePath);
    }

AssetController