hexletbackendproject1/dist/games/progression.js

Let's play some games

"use strict";

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

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

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

var _ = _interopRequireDefault(require(".."));

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

const gameDescription = 'What number is missing in the progression?';

const makeQuestion = (firstElement, diff, index, length) => {
  let data = '';

  for (let i = 1; i <= length; i += 1) {
    if (i === index) data = `${data} .. `;else data = `${data} ${firstElement + diff * (i - 1)}`;
  }

  return data;
};

const generateGameData = () => {
  const progressionLength = 10;
  const begin = (0, _utils.default)(1, 20);
  const difference = (0, _utils.default)(1, 10);
  const missingElementIndex = (0, _utils.default)(1, progressionLength);
  const rightAnswer = begin + difference * (missingElementIndex - 1);
  const question = makeQuestion(begin, difference, missingElementIndex, progressionLength);
  return (0, _pairs.cons)(question, String(rightAnswer));
};

var _default = () => {
  (0, _.default)(generateGameData, gameDescription);
};

exports.default = _default;
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