uladzislau97-brain-games/dist/games/prime.js

Set of console mini-games.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _gameEngine = _interopRequireDefault(require("../game-engine"));

var _utils = _interopRequireDefault(require("../utils"));

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

const gameDescription = 'Answer "yes" if given number is prime. Otherwise answer "no".';

const isPrime = number => {
  const minPrimeNumber = 2;
  if (number < minPrimeNumber) return false;
  const maxPossibleDivider = Math.floor(Math.sqrt(number));

  const iter = n => {
    if (n > maxPossibleDivider) return true;
    if (number % n === 0) return false;
    return iter(n + 1);
  };

  return iter(minPrimeNumber);
};

const generateTask = () => {
  const question = (0, _utils.default)();
  const correctAnswer = isPrime(question) ? 'yes' : 'no';
  return {
    question,
    correctAnswer
  };
};

var _default = () => {
  (0, _gameEngine.default)(gameDescription, generateTask);
};

exports.default = _default;
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