Function failWebsocketConnection

deps/undici/src/lib/web/websocket/connection.js:306–323

* @param {import('./websocket').Handler} handler * @param {number} code * @param {string|undefined} reason * @param {unknown} cause * @returns {void}

(handler, code, reason, cause)

 * @returns {void}
 */
function failWebsocketConnection (handler, code, reason, cause) {
  // If _The WebSocket Connection is Established_ prior to the point where
  // the endpoint is required to _Fail the WebSocket Connection_, the
  // endpoint SHOULD send a Close frame with an appropriate status code
  // (Section 7.4) before proceeding to _Close the WebSocket Connection_.
  if (isEstablished(handler.readyState)) {
    closeWebSocketConnection(handler, code, reason, false)
  }

  handler.controller.abort()

  if (isConnecting(handler.readyState)) {
    // If the connection was not established, we must still emit an 'error' and 'close' events
    handler.onSocketClose()
  } else if (handler.socket?.destroyed === false) {
    handler.socket.destroy()
  }
}

module.exports = {
  establishWebSocketConnection,