project-lvl1-s132/dist/games/prime.js

Brain Games

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _start = require('../start');

var _start2 = _interopRequireDefault(_start);

var _lib = require('../lib');

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var rulesMessage = 'Answer "yes" if number is prime otherwise answer "no".';

var limitMaxNumber = 50;

var isPrime = function isPrime(num) {
  if (num <= 1) return false;

  var upperLimit = Math.sqrt(num);
  for (var d = 2; d <= upperLimit; d += 1) {
    if (num % d === 0) return false;
  }

  return true;
};

var getQuestionAnswerPair = function getQuestionAnswerPair() {
  var question = (0, _lib.getRandomInt)(limitMaxNumber);
  var correctAnswer = isPrime(question) ? 'yes' : 'no';

  return { question: question, correctAnswer: correctAnswer };
};

exports.default = function () {
  return (0, _start2.default)(rulesMessage, getQuestionAnswerPair);
};
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