brain-game-108/dist/games/progression.js

my 1st Hexlet's project

"use strict";

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

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

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

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

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

const header = 'What number is missing in the progression?\n';
const progressionLength = 10;

const gameProgressionBody = () => {
  const progressionStep = (0, _utils.default)(0, 10);
  const startNumber = (0, _utils.default)(0, 100);
  const positionOfAnswer = (0, _utils.default)(0, progressionLength - 1);

  const listWithQuestion = (count, acc) => {
    if (count === progressionLength) {
      return acc;
    }

    if (count === positionOfAnswer) {
      return listWithQuestion(count + 1, `${acc} ..`);
    }

    const newElement = startNumber + count * progressionStep;
    return listWithQuestion(count + 1, `${acc} ${newElement}`);
  };

  const question = listWithQuestion(1, startNumber);
  const answer = startNumber + positionOfAnswer * progressionStep;
  return (0, _hexletPairs.cons)(question, String(answer));
};

var _default = () => (0, _.default)(header, gameProgressionBody);

exports.default = _default;
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