ask.node.js

// I have no idea what anyone would want to use this for.

function ask(questions, passcb, failcb) {
  var require = [];
  var pass = [];
  var fail = [];
  
  for (var question in questions) {
    if (question.search('required') > -1) {
      require.push(question);
    }
    
    if (questions[question]) {
      pass.push(question);
    } else {
      fail.push(question);
    }
  }
  
  for (var i = 0, len = fail.length; i < len; i++) {
    for (var j = 0, reqlen = require.length; j < reqlen; j++) if (fail[i] == require[j]) {
      failcb.apply({}, [{'passed': pass, 'failed': fail, 'required': require}]);
      return;
    }
  }
  
  var passed = pass.length > fail.length ? true : false;
  
  if (passed) {    
    passcb.apply({}, [{'passed': pass, 'failed': fail, 'required': require}]);
    return;
  } else {
    failcb.apply({}, [{'passed': pass, 'failed': fail, 'required': require}]);
    return;
  }
}

var sys = require('sys');

data = {
  Car: {
    registration: 'CA'
  }
};

ask({
  data: data !== null,
  car_data: data.Car.registration !== '', 
  required_whatever: 2==1
}, function(status) {
  sys.puts('We have passed ('+status.passed.length+' pass / '+status.failed.length+' fail) (' + status.required.length + ' required)');
}, function(status) {
  sys.puts('We have failed ('+status.passed.length+' pass / '+status.failed.length+' fail) (' + status.required.length + ' required)');
});