anf-project-lvl1-braingames/dist/games/calc-game.js

Games with numbers

#!/usr/bin/env node
"use strict";

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

var _pairs = require("@hexlet/pairs");

var _index = require("../index");

const randomInt = () => Math.floor(Math.random() * (4 - 1)) + 1;

const helloWord = 'What is the result of the expression?.\n';

const expressGenerator = () => {
  const pair = (0, _pairs.cons)((0, _index.randomNum)(), (0, _index.randomNum)());
  const point = randomInt();
  let operation = '';

  if (point === 1) {
    operation = '*';
  } else if (point === 2) {
    operation = '+';
  } else operation = '-';

  return `${(0, _pairs.car)(pair)} ${operation} ${(0, _pairs.cdr)(pair)}`;
};

const getRandCorrAns = express => {
  let count = 0;
  const arr = new Array(3);
  arr[0] = '';
  arr[1] = '';
  arr[2] = '';

  for (let i = 0; i < express.length; i += 1) {
    if (express[i] === ' ') {
      count += 1;
    } else {
      arr[count] += express[i];
    }
  }

  if (arr[1] === '*') {
    return (Number(arr[0]) * Number(arr[2])).toString();
  }

  if (arr[1] === '+') {
    return (Number(arr[0]) + Number(arr[2])).toString();
  }

  return (Number(arr[0]) - Number(arr[2])).toString();
};

var _default = () => {
  (0, _index.testAnswer)(helloWord, expressGenerator, _index.takeAnswer, getRandCorrAns);
};

exports.default = _default;
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