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

my 1st Hexlet's project

"use strict";

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

var _hexletPairsData = require("hexlet-pairs-data");

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

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

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

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

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = Object.defineProperty && Object.getOwnPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : {}; if (desc.get || desc.set) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } } newObj.default = obj; return newObj; } }

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

const func = x => x + 3;

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

  const createList = (length, acc) => {
    if (length === 1) {
      return (0, _hexletPairsData.reverse)(acc);
    }

    return createList(length - 1, (0, _hexletPairsData.cons)(func((0, _hexletPairsData.head)(acc)), acc));
  };

  const list = createList(progressionLength, (0, _hexletPairsData.l)(startNumber));

  const listWithQuestion = (count, acc) => {
    if (count === progressionLength) {
      return (0, _hexletPairsData.reverse)(acc);
    }

    if (count === positionOfAnswer) {
      return listWithQuestion(count + 1, (0, _hexletPairsData.cons)('..', acc));
    }

    return listWithQuestion(count + 1, (0, _hexletPairsData.cons)((0, _hexletPairsData.get)(count, list), acc));
  };

  const question = (0, _hexletPairsData.toString)(listWithQuestion(0, (0, _hexletPairsData.l)()));
  const answer = (0, _hexletPairsData.get)(positionOfAnswer, list);
  return pairs.cons(question, String(answer));
};

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

exports.default = _default;
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