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

My firts project for hexlet.io. I hope it's not the last. This is a just casual project (for someone).

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _ = require('..');

var _2 = _interopRequireDefault(_);

var _tools = require('../tools');

var _tools2 = _interopRequireDefault(_tools);

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

var mainRule = 'What number is missing in this progression?';
var lengthOfNumber = 10;
var progressionGenerator = function progressionGenerator() {
  var sizeProgr = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 10;
  var startProgr = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 4;
  var stepProgr = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 2;

  var fullProgr = [];
  var i = 0;
  while (sizeProgr > i) {
    fullProgr.push(startProgr + stepProgr * i);
    i += 1;
  }
  return fullProgr;
};

var genGameData = function genGameData() {
  var startPosition = (0, _tools2.default)(10, 100);
  var stepProgression = (0, _tools2.default)(1, 9);
  var fullProgression = progressionGenerator(lengthOfNumber, startPosition, stepProgression);
  var indexHiddenNumber = (0, _tools2.default)(1, 9);
  var correctAnswer = String(fullProgression[indexHiddenNumber]);
  fullProgression[indexHiddenNumber] = '..';
  var question = fullProgression.join(' ');
  return [question, correctAnswer];
};

var startGameOfProgression = function startGameOfProgression() {
  return (0, _2.default)(genGameData, mainRule);
};

exports.default = startGameOfProgression;
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