Function resolve

lib/utils.js:62–70

(baseUrl, pathUrl)

 * @private
 */
function resolve (baseUrl, pathUrl) {
  if (!baseUrl || !pathUrl) return pathUrl;
  if (typeof pathUrl !== 'string') return pathUrl;
  try {
    return new WHATWGURL(pathUrl, baseUrl).href;
  } catch (e) {
    return pathUrl;
  }
}

/*
 * Resolve the URLs in a srcset attribute value against a base URL.