nodejs how to read keystrokes from stdin

Question

Is it possible to listen for incoming keystrokes in a running nodejs script? If I use process.openStdin() and listen to its \'data\' event then the

Answer 1

This version uses the keypress module and supports node.js version 0.10, 0.8 and 0.6 as well as iojs 2.3. Be sure to run npm install --save keypress.

var keypress = require('keypress')
  , tty = require('tty');

// make `process.stdin` begin emitting "keypress" events
keypress(process.stdin);

// listen for the "keypress" event
process.stdin.on('keypress', function (ch, key) {
  console.log('got "keypress"', key);
  if (key && key.ctrl && key.name == 'c') {
    process.stdin.pause();
  }
});

if (typeof process.stdin.setRawMode == 'function') {
  process.stdin.setRawMode(true);
} else {
  tty.setRawMode(true);
}
process.stdin.resume();