gistfile1.js

var blessed = require('blessed');

function createScreen() {
  var global = blessed.Screen.global;
  var screen = blessed.Screen.global || blessed.screen({ tput: true });

  if (!global) {
    screen.program.key('C-c', function() {
      return process.exit(0);
    });
  }

  return screen;
}

function createQuestion() {
  var screen = createScreen()
    , question = createQuestion.question;

  if (question) {
    question.detach();
    screen.append(question);
    return question;
  }

  question = createQuestion.question = blessed.box({
    parent: screen,
    hidden: true,
    content: '',
    width: 'half',
    height: 5,
    left: 'center',
    top: 'center',
    border: {
      type: 'ascii'
    },
    tags: true
  });

  question._.okay = blessed.button({
    parent: question,
    top: 3,
    height: 1,
    left: 2,
    width: 6,
    content: 'Okay',
    align: 'center',
    bg: 'black',
    hoverBg: 'blue',
    autoFocus: false,
    mouse: true
  });

  question._.cancel = blessed.button({
    parent: question,
    top: 3,
    height: 1,
    shrink: true,
    left: 10,
    width: 8,
    content: 'Cancel',
    align: 'center',
    bg: 'black',
    hoverBg: 'blue',
    autoFocus: false,
    mouse: true
  });

  question._.ask = function(text, callback) {
    var press, okay, cancel;

    question.show();
    question.setContent(' ' + text);

    screen.on('keypress', press = function(ch, key) {
      if (key.name === 'mouse') return;
      if (key.name !== 'enter'
          && key.name !== 'escape'
          && key.name !== 'q'
          && key.name !== 'y'
          && key.name !== 'n') {
        return;
      }
      done(null, key.name === 'enter' || key.name === 'y');
    });

    question._.okay.on('press', okay = function() {
      done(null, true);
    });

    question._.cancel.on('press', cancel = function() {
      done(null, false);
    });

    screen.saveFocus();
    question.focus();

    function done(err, data) {
      question.hide();
      screen.restoreFocus();
      screen.removeListener('keypress', press);
      question._.okay.removeListener('press', okay);
      question._.cancel.removeListener('press', cancel);
      return callback(err, data);
    }

    screen.render();
  };

  return question;
}

var question = createQuestion();

question._.ask("Test Question?", function(err, res) {
  console.log("question answered: err=" + err + ", res=" + res);
});