TERMINAL.xterm.dist.addons.attach.attach.js.map Maven / Gradle / Ivy

{"version":3,"file":"attach.js","sources":["../../../src/addons/attach/attach.ts","../../../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * Copyright (c) 2014 The xterm.js authors. All rights reserved.\n * @license MIT\n *\n * Implements the attach method, that attaches the terminal to a WebSocket stream.\n */\n\nimport { Terminal, IDisposable } from 'xterm';\nimport { IAttachAddonTerminal } from './Interfaces';\n\n/**\n * Attaches the given terminal to the given socket.\n *\n * @param term The terminal to be attached to the given socket.\n * @param socket The socket to attach the current terminal.\n * @param bidirectional Whether the terminal should send data to the socket as well.\n * @param buffered Whether the rendering of incoming data should happen instantly or at a maximum\n * frequency of 1 rendering per 10ms.\n */\nexport function attach(term: Terminal, socket: WebSocket, bidirectional: boolean, buffered: boolean): void {\n  const addonTerminal = term;\n  bidirectional = (typeof bidirectional === 'undefined') ? true : bidirectional;\n  addonTerminal.__socket = socket;\n\n  addonTerminal.__flushBuffer = () => {\n    addonTerminal.write(addonTerminal.__attachSocketBuffer);\n    addonTerminal.__attachSocketBuffer = null;\n  };\n\n  addonTerminal.__pushToBuffer = (data: string) => {\n    if (addonTerminal.__attachSocketBuffer) {\n      addonTerminal.__attachSocketBuffer += data;\n    } else {\n      addonTerminal.__attachSocketBuffer = data;\n      setTimeout(addonTerminal.__flushBuffer, 10);\n    }\n  };\n\n  // TODO: This should be typed but there seem to be issues importing the type\n  let myTextDecoder: any;\n\n  addonTerminal.__getMessage = function(ev: MessageEvent): void {\n    let str: string;\n\n    if (typeof ev.data === 'object') {\n      if (!myTextDecoder) {\n        myTextDecoder = new TextDecoder();\n      }\n      if (ev.data instanceof ArrayBuffer) {\n        str = myTextDecoder.decode(ev.data);\n        displayData(str);\n      } else {\n        const fileReader = new FileReader();\n\n        fileReader.addEventListener('load', () => {\n          str = myTextDecoder.decode(fileReader.result);\n          displayData(str);\n        });\n        fileReader.readAsArrayBuffer(ev.data);\n      }\n    } else if (typeof ev.data === 'string') {\n      displayData(ev.data);\n    } else {\n      throw Error(`Cannot handle \"${typeof ev.data}\" websocket message.`);\n    }\n  };\n\n  /**\n  * Push data to buffer or write it in the terminal.\n  * This is used as a callback for FileReader.onload.\n  *\n  * @param str String decoded by FileReader.\n  * @param data The data of the EventMessage.\n  */\n  function displayData(str?: string, data?: string): void {\n    if (buffered) {\n      addonTerminal.__pushToBuffer(str || data);\n    } else {\n      addonTerminal.write(str || data);\n    }\n  }\n\n  addonTerminal.__sendData = (data: string) => {\n    if (socket.readyState !== 1) {\n      return;\n    }\n    socket.send(data);\n  };\n\n  addonTerminal._core.register(addSocketListener(socket, 'message', addonTerminal.__getMessage));\n\n  if (bidirectional) {\n    addonTerminal._core.register(addonTerminal.addDisposableListener('data', addonTerminal.__sendData));\n  }\n\n  addonTerminal._core.register(addSocketListener(socket, 'close', () => detach(addonTerminal, socket)));\n  addonTerminal._core.register(addSocketListener(socket, 'error', () => detach(addonTerminal, socket)));\n}\n\nfunction addSocketListener(socket: WebSocket, type: string, handler: (this: WebSocket, ev: Event) => any): IDisposable {\n  socket.addEventListener(type, handler);\n  return {\n    dispose: () => {\n      if (!handler) {\n        // Already disposed\n        return;\n      }\n      socket.removeEventListener(type, handler);\n      handler = null;\n    }\n  };\n}\n\n/**\n * Detaches the given terminal from the given socket\n *\n * @param term The terminal to be detached from the given socket.\n * @param socket The socket from which to detach the current terminal.\n */\nexport function detach(term: Terminal, socket: WebSocket): void {\n  const addonTerminal = term;\n  addonTerminal.off('data', addonTerminal.__sendData);\n\n  socket = (typeof socket === 'undefined') ? addonTerminal.__socket : socket;\n\n  if (socket) {\n    socket.removeEventListener('message', addonTerminal.__getMessage);\n  }\n\n  delete addonTerminal.__socket;\n}\n\n\nexport function apply(terminalConstructor: typeof Terminal): void {\n  /**\n   * Attaches the current terminal to the given socket\n   *\n   * @param socket The socket to attach the current terminal.\n   * @param bidirectional Whether the terminal should send data to the socket as well.\n   * @param buffered Whether the rendering of incoming data should happen instantly or at a maximum\n   * frequency of 1 rendering per 10ms.\n   */\n  (terminalConstructor.prototype).attach = function (socket: WebSocket, bidirectional: boolean, buffered: boolean): void {\n    attach(this, socket, bidirectional, buffered);\n  };\n\n  /**\n   * Detaches the current terminal from the given socket.\n   *\n   * @param socket The socket from which to detach the current terminal.\n   */\n  (terminalConstructor.prototype).detach = function (socket: WebSocket): void {\n    detach(this, socket);\n  };\n}\n",null],"names":[],"mappings":"ACAA;;;ADmBA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AAAA;AACA;AACA;AACA;AACA;AAGA;AAEA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAAA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AAAA;AACA;AACA;AAAA;AACA;AACA;AACA;AASA;AACA;AACA;AACA;AAAA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AAEA;AAEA;AACA;AACA;AAEA;AACA;AACA;AA9EA;AAgFA;AACA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AAQA;AACA;AACA;AAEA;AAEA;AACA;AACA;AAEA;AACA;AAXA;AAcA;AASA;AACA;AACA;AAOA;AACA;AACA;AACA;AArBA;"}