2020/04/03, 02:47, V1.2.2

1 files changed, 0 insertions, 895 deletions

diff --git a/node_modules/ws/lib/websocket.js b/node_modules/ws/lib/websocket.js
deleted file mode 100644
index af81084..0000000
--- a/node_modules/ws/lib/websocket.js
+++ /dev/null
@@ -1,895 +0,0 @@
-'use strict';
-
-const EventEmitter = require('events');
-const crypto = require('crypto');
-const https = require('https');
-const http = require('http');
-const net = require('net');
-const tls = require('tls');
-const url = require('url');
-
-const PerMessageDeflate = require('./permessage-deflate');
-const EventTarget = require('./event-target');
-const extension = require('./extension');
-const Receiver = require('./receiver');
-const Sender = require('./sender');
-const {
-  BINARY_TYPES,
-  EMPTY_BUFFER,
-  GUID,
-  kStatusCode,
-  kWebSocket,
-  NOOP
-} = require('./constants');
-
-const readyStates = ['CONNECTING', 'OPEN', 'CLOSING', 'CLOSED'];
-const protocolVersions = [8, 13];
-const closeTimeout = 30 * 1000;
-
-/**
- * Class representing a WebSocket.
- *
- * @extends EventEmitter
- */
-class WebSocket extends EventEmitter {
-  /**
-   * Create a new `WebSocket`.
-   *
-   * @param {(String|url.Url|url.URL)} address The URL to which to connect
-   * @param {(String|String[])} protocols The subprotocols
-   * @param {Object} options Connection options
-   */
-  constructor(address, protocols, options) {
-    super();
-
-    this.readyState = WebSocket.CONNECTING;
-    this.protocol = '';
-
-    this._binaryType = BINARY_TYPES[0];
-    this._closeFrameReceived = false;
-    this._closeFrameSent = false;
-    this._closeMessage = '';
-    this._closeTimer = null;
-    this._closeCode = 1006;
-    this._extensions = {};
-    this._receiver = null;
-    this._sender = null;
-    this._socket = null;
-
-    if (address !== null) {
-      this._isServer = false;
-      this._redirects = 0;
-
-      if (Array.isArray(protocols)) {
-        protocols = protocols.join(', ');
-      } else if (typeof protocols === 'object' && protocols !== null) {
-        options = protocols;
-        protocols = undefined;
-      }
-
-      initAsClient(this, address, protocols, options);
-    } else {
-      this._isServer = true;
-    }
-  }
-
-  get CONNECTING() {
-    return WebSocket.CONNECTING;
-  }
-  get CLOSING() {
-    return WebSocket.CLOSING;
-  }
-  get CLOSED() {
-    return WebSocket.CLOSED;
-  }
-  get OPEN() {
-    return WebSocket.OPEN;
-  }
-
-  /**
-   * This deviates from the WHATWG interface since ws doesn't support the
-   * required default "blob" type (instead we define a custom "nodebuffer"
-   * type).
-   *
-   * @type {String}
-   */
-  get binaryType() {
-    return this._binaryType;
-  }
-
-  set binaryType(type) {
-    if (!BINARY_TYPES.includes(type)) return;
-
-    this._binaryType = type;
-
-    //
-    // Allow to change `binaryType` on the fly.
-    //
-    if (this._receiver) this._receiver._binaryType = type;
-  }
-
-  /**
-   * @type {Number}
-   */
-  get bufferedAmount() {
-    if (!this._socket) return 0;
-
-    //
-    // `socket.bufferSize` is `undefined` if the socket is closed.
-    //
-    return (this._socket.bufferSize || 0) + this._sender._bufferedBytes;
-  }
-
-  /**
-   * @type {String}
-   */
-  get extensions() {
-    return Object.keys(this._extensions).join();
-  }
-
-  /**
-   * Set up the socket and the internal resources.
-   *
-   * @param {net.Socket} socket The network socket between the server and client
-   * @param {Buffer} head The first packet of the upgraded stream
-   * @param {Number} maxPayload The maximum allowed message size
-   * @private
-   */
-  setSocket(socket, head, maxPayload) {
-    const receiver = new Receiver(
-      this._binaryType,
-      this._extensions,
-      maxPayload
-    );
-
-    this._sender = new Sender(socket, this._extensions);
-    this._receiver = receiver;
-    this._socket = socket;
-
-    receiver[kWebSocket] = this;
-    socket[kWebSocket] = this;
-
-    receiver.on('conclude', receiverOnConclude);
-    receiver.on('drain', receiverOnDrain);
-    receiver.on('error', receiverOnError);
-    receiver.on('message', receiverOnMessage);
-    receiver.on('ping', receiverOnPing);
-    receiver.on('pong', receiverOnPong);
-
-    socket.setTimeout(0);
-    socket.setNoDelay();
-
-    if (head.length > 0) socket.unshift(head);
-
-    socket.on('close', socketOnClose);
-    socket.on('data', socketOnData);
-    socket.on('end', socketOnEnd);
-    socket.on('error', socketOnError);
-
-    this.readyState = WebSocket.OPEN;
-    this.emit('open');
-  }
-
-  /**
-   * Emit the `'close'` event.
-   *
-   * @private
-   */
-  emitClose() {
-    this.readyState = WebSocket.CLOSED;
-
-    if (!this._socket) {
-      this.emit('close', this._closeCode, this._closeMessage);
-      return;
-    }
-
-    if (this._extensions[PerMessageDeflate.extensionName]) {
-      this._extensions[PerMessageDeflate.extensionName].cleanup();
-    }
-
-    this._receiver.removeAllListeners();
-    this.emit('close', this._closeCode, this._closeMessage);
-  }
-
-  /**
-   * Start a closing handshake.
-   *
-   *          +----------+   +-----------+   +----------+
-   *     - - -|ws.close()|-->|close frame|-->|ws.close()|- - -
-   *    |     +----------+   +-----------+   +----------+     |
-   *          +----------+   +-----------+         |
-   * CLOSING  |ws.close()|<--|close frame|<--+-----+       CLOSING
-   *          +----------+   +-----------+   |
-   *    |           |                        |   +---+        |
-   *                +------------------------+-->|fin| - - - -
-   *    |         +---+                      |   +---+
-   *     - - - - -|fin|<---------------------+
-   *              +---+
-   *
-   * @param {Number} code Status code explaining why the connection is closing
-   * @param {String} data A string explaining why the connection is closing
-   * @public
-   */
-  close(code, data) {
-    if (this.readyState === WebSocket.CLOSED) return;
-    if (this.readyState === WebSocket.CONNECTING) {
-      const msg = 'WebSocket was closed before the connection was established';
-      return abortHandshake(this, this._req, msg);
-    }
-
-    if (this.readyState === WebSocket.CLOSING) {
-      if (this._closeFrameSent && this._closeFrameReceived) this._socket.end();
-      return;
-    }
-
-    this.readyState = WebSocket.CLOSING;
-    this._sender.close(code, data, !this._isServer, (err) => {
-      //
-      // This error is handled by the `'error'` listener on the socket. We only
-      // want to know if the close frame has been sent here.
-      //
-      if (err) return;
-
-      this._closeFrameSent = true;
-      if (this._closeFrameReceived) this._socket.end();
-    });
-
-    //
-    // Specify a timeout for the closing handshake to complete.
-    //
-    this._closeTimer = setTimeout(
-      this._socket.destroy.bind(this._socket),
-      closeTimeout
-    );
-  }
-
-  /**
-   * Send a ping.
-   *
-   * @param {*} data The data to send
-   * @param {Boolean} mask Indicates whether or not to mask `data`
-   * @param {Function} cb Callback which is executed when the ping is sent
-   * @public
-   */
-  ping(data, mask, cb) {
-    if (typeof data === 'function') {
-      cb = data;
-      data = mask = undefined;
-    } else if (typeof mask === 'function') {
-      cb = mask;
-      mask = undefined;
-    }
-
-    if (this.readyState !== WebSocket.OPEN) {
-      const err = new Error(
-        `WebSocket is not open: readyState ${this.readyState} ` +
-          `(${readyStates[this.readyState]})`
-      );
-
-      if (cb) return cb(err);
-      throw err;
-    }
-
-    if (typeof data === 'number') data = data.toString();
-    if (mask === undefined) mask = !this._isServer;
-    this._sender.ping(data || EMPTY_BUFFER, mask, cb);
-  }
-
-  /**
-   * Send a pong.
-   *
-   * @param {*} data The data to send
-   * @param {Boolean} mask Indicates whether or not to mask `data`
-   * @param {Function} cb Callback which is executed when the pong is sent
-   * @public
-   */
-  pong(data, mask, cb) {
-    if (typeof data === 'function') {
-      cb = data;
-      data = mask = undefined;
-    } else if (typeof mask === 'function') {
-      cb = mask;
-      mask = undefined;
-    }
-
-    if (this.readyState !== WebSocket.OPEN) {
-      const err = new Error(
-        `WebSocket is not open: readyState ${this.readyState} ` +
-          `(${readyStates[this.readyState]})`
-      );
-
-      if (cb) return cb(err);
-      throw err;
-    }
-
-    if (typeof data === 'number') data = data.toString();
-    if (mask === undefined) mask = !this._isServer;
-    this._sender.pong(data || EMPTY_BUFFER, mask, cb);
-  }
-
-  /**
-   * Send a data message.
-   *
-   * @param {*} data The message to send
-   * @param {Object} options Options object
-   * @param {Boolean} options.compress Specifies whether or not to compress `data`
-   * @param {Boolean} options.binary Specifies whether `data` is binary or text
-   * @param {Boolean} options.fin Specifies whether the fragment is the last one
-   * @param {Boolean} options.mask Specifies whether or not to mask `data`
-   * @param {Function} cb Callback which is executed when data is written out
-   * @public
-   */
-  send(data, options, cb) {
-    if (typeof options === 'function') {
-      cb = options;
-      options = {};
-    }
-
-    if (this.readyState !== WebSocket.OPEN) {
-      const err = new Error(
-        `WebSocket is not open: readyState ${this.readyState} ` +
-          `(${readyStates[this.readyState]})`
-      );
-
-      if (cb) return cb(err);
-      throw err;
-    }
-
-    if (typeof data === 'number') data = data.toString();
-
-    const opts = Object.assign(
-      {
-        binary: typeof data !== 'string',
-        mask: !this._isServer,
-        compress: true,
-        fin: true
-      },
-      options
-    );
-
-    if (!this._extensions[PerMessageDeflate.extensionName]) {
-      opts.compress = false;
-    }
-
-    this._sender.send(data || EMPTY_BUFFER, opts, cb);
-  }
-
-  /**
-   * Forcibly close the connection.
-   *
-   * @public
-   */
-  terminate() {
-    if (this.readyState === WebSocket.CLOSED) return;
-    if (this.readyState === WebSocket.CONNECTING) {
-      const msg = 'WebSocket was closed before the connection was established';
-      return abortHandshake(this, this._req, msg);
-    }
-
-    if (this._socket) {
-      this.readyState = WebSocket.CLOSING;
-      this._socket.destroy();
-    }
-  }
-}
-
-readyStates.forEach((readyState, i) => {
-  WebSocket[readyState] = i;
-});
-
-//
-// Add the `onopen`, `onerror`, `onclose`, and `onmessage` attributes.
-// See https://html.spec.whatwg.org/multipage/comms.html#the-websocket-interface
-//
-['open', 'error', 'close', 'message'].forEach((method) => {
-  Object.defineProperty(WebSocket.prototype, `on${method}`, {
-    /**
-     * Return the listener of the event.
-     *
-     * @return {(Function|undefined)} The event listener or `undefined`
-     * @public
-     */
-    get() {
-      const listeners = this.listeners(method);
-      for (var i = 0; i < listeners.length; i++) {
-        if (listeners[i]._listener) return listeners[i]._listener;
-      }
-
-      return undefined;
-    },
-    /**
-     * Add a listener for the event.
-     *
-     * @param {Function} listener The listener to add
-     * @public
-     */
-    set(listener) {
-      const listeners = this.listeners(method);
-      for (var i = 0; i < listeners.length; i++) {
-        //
-        // Remove only the listeners added via `addEventListener`.
-        //
-        if (listeners[i]._listener) this.removeListener(method, listeners[i]);
-      }
-      this.addEventListener(method, listener);
-    }
-  });
-});
-
-WebSocket.prototype.addEventListener = EventTarget.addEventListener;
-WebSocket.prototype.removeEventListener = EventTarget.removeEventListener;
-
-module.exports = WebSocket;
-
-/**
- * Initialize a WebSocket client.
- *
- * @param {WebSocket} websocket The client to initialize
- * @param {(String|url.Url|url.URL)} address The URL to which to connect
- * @param {String} protocols The subprotocols
- * @param {Object} options Connection options
- * @param {(Boolean|Object)} options.perMessageDeflate Enable/disable
- *     permessage-deflate
- * @param {Number} options.handshakeTimeout Timeout in milliseconds for the
- *     handshake request
- * @param {Number} options.protocolVersion Value of the `Sec-WebSocket-Version`
- *     header
- * @param {String} options.origin Value of the `Origin` or
- *     `Sec-WebSocket-Origin` header
- * @param {Number} options.maxPayload The maximum allowed message size
- * @param {Boolean} options.followRedirects Whether or not to follow redirects
- * @param {Number} options.maxRedirects The maximum number of redirects allowed
- * @private
- */
-function initAsClient(websocket, address, protocols, options) {
-  const opts = Object.assign(
-    {
-      protocolVersion: protocolVersions[1],
-      maxPayload: 100 * 1024 * 1024,
-      perMessageDeflate: true,
-      followRedirects: false,
-      maxRedirects: 10
-    },
-    options,
-    {
-      createConnection: undefined,
-      socketPath: undefined,
-      hostname: undefined,
-      protocol: undefined,
-      timeout: undefined,
-      method: undefined,
-      auth: undefined,
-      host: undefined,
-      path: undefined,
-      port: undefined
-    }
-  );
-
-  if (!protocolVersions.includes(opts.protocolVersion)) {
-    throw new RangeError(
-      `Unsupported protocol version: ${opts.protocolVersion} ` +
-        `(supported versions: ${protocolVersions.join(', ')})`
-    );
-  }
-
-  var parsedUrl;
-
-  if (typeof address === 'object' && address.href !== undefined) {
-    parsedUrl = address;
-    websocket.url = address.href;
-  } else {
-    //
-    // The WHATWG URL constructor is not available on Node.js < 6.13.0
-    //
-    parsedUrl = url.URL ? new url.URL(address) : url.parse(address);
-    websocket.url = address;
-  }
-
-  const isUnixSocket = parsedUrl.protocol === 'ws+unix:';
-
-  if (!parsedUrl.host && (!isUnixSocket || !parsedUrl.pathname)) {
-    throw new Error(`Invalid URL: ${websocket.url}`);
-  }
-
-  const isSecure =
-    parsedUrl.protocol === 'wss:' || parsedUrl.protocol === 'https:';
-  const defaultPort = isSecure ? 443 : 80;
-  const key = crypto.randomBytes(16).toString('base64');
-  const get = isSecure ? https.get : http.get;
-  const path = parsedUrl.search
-    ? `${parsedUrl.pathname || '/'}${parsedUrl.search}`
-    : parsedUrl.pathname || '/';
-  var perMessageDeflate;
-
-  opts.createConnection = isSecure ? tlsConnect : netConnect;
-  opts.defaultPort = opts.defaultPort || defaultPort;
-  opts.port = parsedUrl.port || defaultPort;
-  opts.host = parsedUrl.hostname.startsWith('[')
-    ? parsedUrl.hostname.slice(1, -1)
-    : parsedUrl.hostname;
-  opts.headers = Object.assign(
-    {
-      'Sec-WebSocket-Version': opts.protocolVersion,
-      'Sec-WebSocket-Key': key,
-      Connection: 'Upgrade',
-      Upgrade: 'websocket'
-    },
-    opts.headers
-  );
-  opts.path = path;
-  opts.timeout = opts.handshakeTimeout;
-
-  if (opts.perMessageDeflate) {
-    perMessageDeflate = new PerMessageDeflate(
-      opts.perMessageDeflate !== true ? opts.perMessageDeflate : {},
-      false,
-      opts.maxPayload
-    );
-    opts.headers['Sec-WebSocket-Extensions'] = extension.format({
-      [PerMessageDeflate.extensionName]: perMessageDeflate.offer()
-    });
-  }
-  if (protocols) {
-    opts.headers['Sec-WebSocket-Protocol'] = protocols;
-  }
-  if (opts.origin) {
-    if (opts.protocolVersion < 13) {
-      opts.headers['Sec-WebSocket-Origin'] = opts.origin;
-    } else {
-      opts.headers.Origin = opts.origin;
-    }
-  }
-  if (parsedUrl.auth) {
-    opts.auth = parsedUrl.auth;
-  } else if (parsedUrl.username || parsedUrl.password) {
-    opts.auth = `${parsedUrl.username}:${parsedUrl.password}`;
-  }
-
-  if (isUnixSocket) {
-    const parts = path.split(':');
-
-    opts.socketPath = parts[0];
-    opts.path = parts[1];
-  }
-
-  var req = (websocket._req = get(opts));
-
-  if (opts.timeout) {
-    req.on('timeout', () => {
-      abortHandshake(websocket, req, 'Opening handshake has timed out');
-    });
-  }
-
-  req.on('error', (err) => {
-    if (websocket._req.aborted) return;
-
-    req = websocket._req = null;
-    websocket.readyState = WebSocket.CLOSING;
-    websocket.emit('error', err);
-    websocket.emitClose();
-  });
-
-  req.on('response', (res) => {
-    const location = res.headers.location;
-    const statusCode = res.statusCode;
-
-    if (
-      location &&
-      opts.followRedirects &&
-      statusCode >= 300 &&
-      statusCode < 400
-    ) {
-      if (++websocket._redirects > opts.maxRedirects) {
-        abortHandshake(websocket, req, 'Maximum redirects exceeded');
-        return;
-      }
-
-      req.abort();
-
-      const addr = url.URL
-        ? new url.URL(location, address)
-        : url.resolve(address, location);
-
-      initAsClient(websocket, addr, protocols, options);
-    } else if (!websocket.emit('unexpected-response', req, res)) {
-      abortHandshake(
-        websocket,
-        req,
-        `Unexpected server response: ${res.statusCode}`
-      );
-    }
-  });
-
-  req.on('upgrade', (res, socket, head) => {
-    websocket.emit('upgrade', res);
-
-    //
-    // The user may have closed the connection from a listener of the `upgrade`
-    // event.
-    //
-    if (websocket.readyState !== WebSocket.CONNECTING) return;
-
-    req = websocket._req = null;
-
-    const digest = crypto
-      .createHash('sha1')
-      .update(key + GUID)
-      .digest('base64');
-
-    if (res.headers['sec-websocket-accept'] !== digest) {
-      abortHandshake(websocket, socket, 'Invalid Sec-WebSocket-Accept header');
-      return;
-    }
-
-    const serverProt = res.headers['sec-websocket-protocol'];
-    const protList = (protocols || '').split(/, */);
-    var protError;
-
-    if (!protocols && serverProt) {
-      protError = 'Server sent a subprotocol but none was requested';
-    } else if (protocols && !serverProt) {
-      protError = 'Server sent no subprotocol';
-    } else if (serverProt && !protList.includes(serverProt)) {
-      protError = 'Server sent an invalid subprotocol';
-    }
-
-    if (protError) {
-      abortHandshake(websocket, socket, protError);
-      return;
-    }
-
-    if (serverProt) websocket.protocol = serverProt;
-
-    if (perMessageDeflate) {
-      try {
-        const extensions = extension.parse(
-          res.headers['sec-websocket-extensions']
-        );
-
-        if (extensions[PerMessageDeflate.extensionName]) {
-          perMessageDeflate.accept(extensions[PerMessageDeflate.extensionName]);
-          websocket._extensions[
-            PerMessageDeflate.extensionName
-          ] = perMessageDeflate;
-        }
-      } catch (err) {
-        abortHandshake(
-          websocket,
-          socket,
-          'Invalid Sec-WebSocket-Extensions header'
-        );
-        return;
-      }
-    }
-
-    websocket.setSocket(socket, head, opts.maxPayload);
-  });
-}
-
-/**
- * Create a `net.Socket` and initiate a connection.
- *
- * @param {Object} options Connection options
- * @return {net.Socket} The newly created socket used to start the connection
- * @private
- */
-function netConnect(options) {
-  //
-  // Override `options.path` only if `options` is a copy of the original options
-  // object. This is always true on Node.js >= 8 but not on Node.js 6 where
-  // `options.socketPath` might be `undefined` even if the `socketPath` option
-  // was originally set.
-  //
-  if (options.protocolVersion) options.path = options.socketPath;
-  return net.connect(options);
-}
-
-/**
- * Create a `tls.TLSSocket` and initiate a connection.
- *
- * @param {Object} options Connection options
- * @return {tls.TLSSocket} The newly created socket used to start the connection
- * @private
- */
-function tlsConnect(options) {
-  options.path = undefined;
-  options.servername = options.servername || options.host;
-  return tls.connect(options);
-}
-
-/**
- * Abort the handshake and emit an error.
- *
- * @param {WebSocket} websocket The WebSocket instance
- * @param {(http.ClientRequest|net.Socket)} stream The request to abort or the
- *     socket to destroy
- * @param {String} message The error message
- * @private
- */
-function abortHandshake(websocket, stream, message) {
-  websocket.readyState = WebSocket.CLOSING;
-
-  const err = new Error(message);
-  Error.captureStackTrace(err, abortHandshake);
-
-  if (stream.setHeader) {
-    stream.abort();
-    stream.once('abort', websocket.emitClose.bind(websocket));
-    websocket.emit('error', err);
-  } else {
-    stream.destroy(err);
-    stream.once('error', websocket.emit.bind(websocket, 'error'));
-    stream.once('close', websocket.emitClose.bind(websocket));
-  }
-}
-
-/**
- * The listener of the `Receiver` `'conclude'` event.
- *
- * @param {Number} code The status code
- * @param {String} reason The reason for closing
- * @private
- */
-function receiverOnConclude(code, reason) {
-  const websocket = this[kWebSocket];
-
-  websocket._socket.removeListener('data', socketOnData);
-  websocket._socket.resume();
-
-  websocket._closeFrameReceived = true;
-  websocket._closeMessage = reason;
-  websocket._closeCode = code;
-
-  if (code === 1005) websocket.close();
-  else websocket.close(code, reason);
-}
-
-/**
- * The listener of the `Receiver` `'drain'` event.
- *
- * @private
- */
-function receiverOnDrain() {
-  this[kWebSocket]._socket.resume();
-}
-
-/**
- * The listener of the `Receiver` `'error'` event.
- *
- * @param {(RangeError|Error)} err The emitted error
- * @private
- */
-function receiverOnError(err) {
-  const websocket = this[kWebSocket];
-
-  websocket._socket.removeListener('data', socketOnData);
-
-  websocket.readyState = WebSocket.CLOSING;
-  websocket._closeCode = err[kStatusCode];
-  websocket.emit('error', err);
-  websocket._socket.destroy();
-}
-
-/**
- * The listener of the `Receiver` `'finish'` event.
- *
- * @private
- */
-function receiverOnFinish() {
-  this[kWebSocket].emitClose();
-}
-
-/**
- * The listener of the `Receiver` `'message'` event.
- *
- * @param {(String|Buffer|ArrayBuffer|Buffer[])} data The message
- * @private
- */
-function receiverOnMessage(data) {
-  this[kWebSocket].emit('message', data);
-}
-
-/**
- * The listener of the `Receiver` `'ping'` event.
- *
- * @param {Buffer} data The data included in the ping frame
- * @private
- */
-function receiverOnPing(data) {
-  const websocket = this[kWebSocket];
-
-  websocket.pong(data, !websocket._isServer, NOOP);
-  websocket.emit('ping', data);
-}
-
-/**
- * The listener of the `Receiver` `'pong'` event.
- *
- * @param {Buffer} data The data included in the pong frame
- * @private
- */
-function receiverOnPong(data) {
-  this[kWebSocket].emit('pong', data);
-}
-
-/**
- * The listener of the `net.Socket` `'close'` event.
- *
- * @private
- */
-function socketOnClose() {
-  const websocket = this[kWebSocket];
-
-  this.removeListener('close', socketOnClose);
-  this.removeListener('end', socketOnEnd);
-
-  websocket.readyState = WebSocket.CLOSING;
-
-  //
-  // The close frame might not have been received or the `'end'` event emitted,
-  // for example, if the socket was destroyed due to an error. Ensure that the
-  // `receiver` stream is closed after writing any remaining buffered data to
-  // it. If the readable side of the socket is in flowing mode then there is no
-  // buffered data as everything has been already written and `readable.read()`
-  // will return `null`. If instead, the socket is paused, any possible buffered
-  // data will be read as a single chunk and emitted synchronously in a single
-  // `'data'` event.
-  //
-  websocket._socket.read();
-  websocket._receiver.end();
-
-  this.removeListener('data', socketOnData);
-  this[kWebSocket] = undefined;
-
-  clearTimeout(websocket._closeTimer);
-
-  if (
-    websocket._receiver._writableState.finished ||
-    websocket._receiver._writableState.errorEmitted
-  ) {
-    websocket.emitClose();
-  } else {
-    websocket._receiver.on('error', receiverOnFinish);
-    websocket._receiver.on('finish', receiverOnFinish);
-  }
-}
-
-/**
- * The listener of the `net.Socket` `'data'` event.
- *
- * @param {Buffer} chunk A chunk of data
- * @private
- */
-function socketOnData(chunk) {
-  if (!this[kWebSocket]._receiver.write(chunk)) {
-    this.pause();
-  }
-}
-
-/**
- * The listener of the `net.Socket` `'end'` event.
- *
- * @private
- */
-function socketOnEnd() {
-  const websocket = this[kWebSocket];
-
-  websocket.readyState = WebSocket.CLOSING;
-  websocket._receiver.end();
-  this.end();
-}
-
-/**
- * The listener of the `net.Socket` `'error'` event.
- *
- * @private
- */
-function socketOnError() {
-  const websocket = this[kWebSocket];
-
-  this.removeListener('error', socketOnError);
-  this.on('error', NOOP);
-
-  websocket.readyState = WebSocket.CLOSING;
-  this.destroy();
-}