> require('tty').setRawMode(true);
true
> process.stdin.on('data', function(buf) { console.log(buf.toString('ascii').replace(/\x1b/g, 'ESC ') + "\n"); });
{ fd: 0,
  type: null,
  allowHalfOpen: false,
  _readWatcher: { socket: [Circular], callback: [Function: onReadable] },
  readable: true,
  _writeQueue: [],
  _writeQueueEncoding: [],
  _writeQueueFD: [],
  _writeQueueCallbacks: [],
  _writeWatcher: { socket: [Circular], callback: [Function: onWritable] },
  writable: true,
  _writeImpl: [Function],
  _readImpl: [Function],
  _shutdownImpl: [Function],
  _events: { data: [ [Function], [Function] ] } }
> process.stdin.resume();process.stdin.resume();

ESC f

> process.stdin.ESC be();

ESC

> ESC d