/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
/**
* Returns the portlet namespace with underscores prepended and appended to it
* @param {!string} portletId The portlet ID to add underscores to
* @return {string} Portlet namespace with underscores prepended and appended
* @review
*/
export default function getPortletNamespace(portletId) {
if (typeof portletId !== 'string') {
throw new TypeError('portletId must be a string');
}
return `_${portletId}_`;
}