Node.JS readline usage without recursion

nodejs-readline-nonrecursive-example.js

const readline = require('readline');

const questions = [
  ['Can the fox be recursive?', 'O_o'],
  ['Can readline be non-recursive?', 'Yep']
];

const cmd = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

function askQuestion() {
  if (!questions.length) {
    return cmd.close();
  }
  cmd.output.write(`${questions[0][0]} `);
  cmd.resume();
}

function checkAnswer(answer) {
  if (answer === questions[0][1]) {
    cmd.output.write('Correct!\n');
  } else {
    cmd.output.write('Wrong!\n');
  }
  questions.shift();
  cmd.pause();
}

cmd.on('pause', askQuestion);

cmd.on('line', checkAnswer);

askQuestion();