brain_games_ermo4enkov/dist/games/calc.js

First project on Hexlet educational platform

'use strict';

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

var _hexletPairs = require('hexlet-pairs');

var _ = require('..');

var _2 = _interopRequireDefault(_);

var _utils = require('../utils');

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

var signsArray = ['+', '-', '*'];

var expectedAnswer = function expectedAnswer(num1, num2, sign) {
  switch (String(sign)) {
    case '+':
      return Number(num1) + Number(num2);
    case '-':
      return Number(num1) - Number(num2);
    case '*':
      return Number(num1) * Number(num2);
    default:
      return false;
  }
};

var gameTitle = 'What is the result of the expression?';

var gamePlayCalc = function gamePlayCalc() {
  var pairOfNumbers = (0, _hexletPairs.cons)((0, _utils.getRandomNumber)(), (0, _utils.getRandomNumber)());
  var expression = (0, _hexletPairs.cons)(pairOfNumbers, (0, _utils.getRandomItem)(signsArray));
  var num1 = (0, _hexletPairs.car)((0, _hexletPairs.car)(expression));
  var num2 = (0, _hexletPairs.cdr)((0, _hexletPairs.car)(expression));
  var sign = (0, _hexletPairs.cdr)(expression);
  var gameGoal = expectedAnswer(num1, num2, sign);
  var gameQuestion = num1 + ' ' + sign + ' ' + num2;
  return (0, _hexletPairs.cons)(gameQuestion, gameGoal);
};

var calcGame = function calcGame() {
  return (0, _2.default)(gameTitle, gamePlayCalc);
};

exports.default = calcGame;
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