sequential-harmony.js

'use strict';

var thunk = require('thunkify');
var co = require('co');
var readline = require('readline');
var rl = readline.createInterface({
  input: process.stdin,
  output: process.stdout
});

function sleep(ms, fn) {
  setTimeout(function(){
    fn(null, 'file: ');
  }, ms);
}

function gets (text, fn) {
  rl.question(text+" ", function(answer) {
    fn(null, answer);
  });
}

var sleep = thunk(sleep);
var gets = thunk(gets);


// The sequence!
co(function *(){
  var name = yield gets('Your name?');
  var age = yield gets('Your age?');
  console.log('Good! ' + name +' - ' + age);
  yield sleep(1000);
  process.exit(0); // Because stdin remain open
})()