igbes-hexletproject-1/dist/games/progression.js

консольная игра brain-games

"use strict";

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

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

var _gameEngine = _interopRequireDefault(require("../game-engine"));

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

const task = 'What number is missing in the progression?';
const lengthProgression = 10;

const getProgression = (firstValue, step) => {
  const iter = (acc, element) => {
    if (acc.length === lengthProgression) return acc;
    return iter(acc.concat(element), element + step);
  };

  return iter([], firstValue);
};

const firstElement = () => (0, _utils.default)(1, 50);

const stepProgression = () => (0, _utils.default)(2, 5);

const randomElement = () => (0, _utils.default)(0, lengthProgression - 1);

const progression = () => {
  const arrayProgression = getProgression(firstElement(), stepProgression());
  const hiddenElementPosition = randomElement();
  const rightAnswer = String(arrayProgression[hiddenElementPosition]);
  arrayProgression[hiddenElementPosition] = '..';
  const question = arrayProgression.join(' ');
  return [rightAnswer, question];
};

var _default = () => (0, _gameEngine.default)(task, progression);

exports.default = _default;
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