anf-project-lvl1-braingames/dist/games/progression.js

Games with numbers

"use strict";

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

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

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

var _instruments = _interopRequireDefault(require("../instruments"));

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

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

const getQuestionAndAnswer = () => {
  const startProgression = (0, _instruments.default)();
  const stepOfProgression = (0, _instruments.default)();
  const missedElementIndex = (0, _instruments.default)(0, lengthOfProgression - 1);
  const correctAnswer = String(startProgression + stepOfProgression * missedElementIndex);
  let question = '';

  for (let i = 0; i < lengthOfProgression; i += 1) {
    if (i === missedElementIndex) {
      question = `${question} ..`;
    } else {
      question = `${question} ${startProgression + stepOfProgression * i}`;
    }
  }

  return (0, _pairs.cons)(question.trim(), correctAnswer);
};

var _default = () => {
  (0, _.default)(task, getQuestionAndAnswer);
};

exports.default = _default;
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