text: /**
   * Copyright (c) 2012-2015, Christopher Jeffrey, Peter Sunde (MIT License)
   * Copyright (c) 2016, Daniel Imms (MIT License).
   * Copyright (c) 2018, Microsoft Corporation (MIT License).
   */
  
  import { ITerminal, IPtyOpenOptions, IPtyForkOptions, IWindowsPtyForkOptions } from './interfaces';
  import { ArgvOrCommandLine } from './types';
  
  let terminalCtor: any;
  if (process.platform === 'win32') {
    terminalCtor = require('./windowsTerminal').WindowsTerminal;
  } else {
    terminalCtor = require('./unixTerminal').UnixTerminal;
  }
  
  /**
   * Forks a process as a pseudoterminal.
   * @param file The file to launch.
   * @param args The file's arguments as argv (string[]) or in a pre-escaped
   * CommandLine format (string). Note that the CommandLine option is only
   * available on Windows and is expected to be escaped properly.
   * @param options The options of the terminal.
   * @throws When the file passed to spawn with does not exists.
   * @see CommandLineToArgvW https://msdn.microsoft.com/en-us/library/windows/desktop/bb776391(v=vs.85).aspx
   * @see Parsing C++ Comamnd-Line Arguments https://msdn.microsoft.com/en-us/library/17w5ykft.aspx
   * @see GetCommandLine https://msdn.microsoft.com/en-us/library/windows/desktop/ms683156.aspx
   */
  export function spawn(file?: string, args?: ArgvOrCommandLine, opt?: IPtyForkOptions | IWindowsPtyForkOptions): ITerminal {
    return new terminalCtor(file, args, opt);
  }
  
  /** @deprecated */
  export function fork(file?: string, args?: ArgvOrCommandLine, opt?: IPtyForkOptions | IWindowsPtyForkOptions): ITerminal {
    return new terminalCtor(file, args, opt);
  }
  
  /** @deprecated */
  export function createTerminal(file?: string, args?: ArgvOrCommandLine, opt?: IPtyForkOptions | IWindowsPtyForkOptions): ITerminal {
    return new terminalCtor(file, args, opt);
  }
  
  export function open(options: IPtyOpenOptions): ITerminal {
    return terminalCtor.open(options);
  }
  
  /**
   * Expose the native API when not Windows, note that this is not public API and
   * could be removed at any time.
   */
  export const native = (process.platform !== 'win32' ? require('../build/Release/pty.node') : null);
  