Function getURLRecord

deps/undici/src/lib/web/websocket/util.js:254–285

* @see https://whatpr.org/websockets/48/7b748d3...d5570f3.html#get-a-url-record * @param {string} url * @param {string} [baseURL]

(url, baseURL)

 * @param {string} [baseURL]
 */
function getURLRecord (url, baseURL) {
  // 1. Let urlRecord be the result of applying the URL parser to url with baseURL .
  // 2. If urlRecord is failure, then throw a " SyntaxError " DOMException .
  let urlRecord

  try {
    urlRecord = new URL(url, baseURL)
  } catch (e) {
    throw new DOMException(e, 'SyntaxError')
  }

  // 3. If urlRecord ’s scheme is " http ", then set urlRecord ’s scheme to " ws ".
  // 4. Otherwise, if urlRecord ’s scheme is " https ", set urlRecord ’s scheme to " wss ".
  if (urlRecord.protocol === 'http:') {
    urlRecord.protocol = 'ws:'
  } else if (urlRecord.protocol === 'https:') {
    urlRecord.protocol = 'wss:'
  }

  // 5. If urlRecord ’s scheme is not " ws " or " wss ", then throw a " SyntaxError " DOMException .
  if (urlRecord.protocol !== 'ws:' && urlRecord.protocol !== 'wss:') {
    throw new DOMException('expected a ws: or wss: url', 'SyntaxError')
  }

  // If urlRecord ’s fragment is non-null, then throw a " SyntaxError " DOMException .
  if (urlRecord.hash.length || urlRecord.href.endsWith('#')) {
    throw new DOMException('hash', 'SyntaxError')
  }

  // Return urlRecord .
  return urlRecord
}

// https://whatpr.org/websockets/48.html#validate-close-code-and-reason
function validateCloseCodeAndReason (code, reason) {