update eaf package

lisp/emacs-application-framework/app/terminal/node_modules/xterm-addon-attach/src/AttachAddon.ts

@@ -1,79 +0,0 @@
-/**
- * Copyright (c) 2014, 2019 The xterm.js authors. All rights reserved.
- * @license MIT
- *
- * Implements the attach method, that attaches the terminal to a WebSocket stream.
- */
-
-import { Terminal, IDisposable, ITerminalAddon } from 'xterm';
-
-interface IAttachOptions {
-  bidirectional?: boolean;
-}
-
-export class AttachAddon implements ITerminalAddon {
-  private _socket: WebSocket;
-  private _bidirectional: boolean;
-  private _disposables: IDisposable[] = [];
-
-  constructor(socket: WebSocket, options?: IAttachOptions) {
-    this._socket = socket;
-    // always set binary type to arraybuffer, we do not handle blobs
-    this._socket.binaryType = 'arraybuffer';
-    this._bidirectional = (options && options.bidirectional === false) ? false : true;
-  }
-
-  public activate(terminal: Terminal): void {
-    this._disposables.push(
-      addSocketListener(this._socket, 'message', ev => {
-        const data: ArrayBuffer | string = ev.data;
-        terminal.write(typeof data === 'string' ? data : new Uint8Array(data));
-      })
-    );
-
-    if (this._bidirectional) {
-      this._disposables.push(terminal.onData(data => this._sendData(data)));
-      this._disposables.push(terminal.onBinary(data => this._sendBinary(data)));
-    }
-
-    this._disposables.push(addSocketListener(this._socket, 'close', () => this.dispose()));
-    this._disposables.push(addSocketListener(this._socket, 'error', () => this.dispose()));
-  }
-
-  public dispose(): void {
-    this._disposables.forEach(d => d.dispose());
-  }
-
-  private _sendData(data: string): void {
-    // TODO: do something better than just swallowing
-    // the data if the socket is not in a working condition
-    if (this._socket.readyState !== 1) {
-      return;
-    }
-    this._socket.send(data);
-  }
-
-  private _sendBinary(data: string): void {
-    if (this._socket.readyState !== 1) {
-      return;
-    }
-    const buffer = new Uint8Array(data.length);
-    for (let i = 0; i < data.length; ++i) {
-      buffer[i] = data.charCodeAt(i) & 255;
-    }
-    this._socket.send(buffer);
-  }
-}
-
-function addSocketListener<K extends keyof WebSocketEventMap>(socket: WebSocket, type: K, handler: (this: WebSocket, ev: WebSocketEventMap[K]) => any): IDisposable {
-  socket.addEventListener(type, handler);
-  return {
-    dispose: () => {
-      if (!handler) {
-        // Already disposed
-        return;
-      }
-      socket.removeEventListener(type, handler);
-    }
-  };
-}