brain-game/dist/games/brain-calc.js

simple game

'use strict';

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

var _ = require('../');

var _2 = _interopRequireDefault(_);

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

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

const description = 'What is the result of the expression?\n';
const operations = ['+', '-', '*'];
const getRandomMathOperation = () => {
  const position = (0, _utils.getRandomInt)(0, operations.length);
  return operations[position];
};

const generate = () => [(0, _utils.getCustomRandomInt)(), (0, _utils.getCustomRandomInt)(), getRandomMathOperation()];

const toString = array => `${ array[0] } ${ array[2] } ${ array[1] }`;

const calc = array => {
  const first = array[0];
  const second = array[1];
  const operation = array[2];
  switch (operation) {
    case '+':
      return first + second;
    case '-':
      return first - second;
    case '*':
      return first * second;
    default:
      return 'wrong operation';
  }
};

exports.default = () => (0, _2.default)(description, generate, calc, toString);