Function parseOrigin

lib/core/util.js:239–247

* @param {string|URL|Record } url * @returns {URL}

(url)

 * @returns {URL}
 */
function parseOrigin (url) {
  url = parseURL(url)

  if (url.pathname !== '/' || url.search || url.hash) {
    throw new InvalidArgumentError('invalid url')
  }

  return url
}

/**
 * @param {string} host