uladzislau97-brain-games/dist/games/progression.js

Set of console mini-games.

"use strict";

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

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

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

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

const gameDescription = 'What number is missing in the progression?';
const progressionLength = 10;
const includedMinRandomIndex = 0;
const includedMinRandomCommonDifference = 1;
const excludedMaxRandomCommonDifference = 11;

const generateSequence = (firstElement, commonDifference) => Array(progressionLength).fill(firstElement).map((element, index) => element + commonDifference * index);

const generateSequenceWithHiddenElement = (sequence, hiddenElementIndex) => [...sequence.slice(0, hiddenElementIndex), '..', ...sequence.slice(hiddenElementIndex + 1)];

const generateTask = () => {
  const firstElement = (0, _utils.default)();
  const commonDifference = (0, _utils.default)(includedMinRandomCommonDifference, excludedMaxRandomCommonDifference);
  const sequence = generateSequence(firstElement, commonDifference);
  const hiddenElementIndex = (0, _utils.default)(includedMinRandomIndex, progressionLength);
  const correctAnswer = sequence[hiddenElementIndex].toString();
  const question = generateSequenceWithHiddenElement(sequence, hiddenElementIndex).join(' ');
  return {
    question,
    correctAnswer
  };
};

var _default = () => {
  (0, _gameEngine.default)(gameDescription, generateTask);
};

exports.default = _default;
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