straight-pies/dist/index.js

[](https://codecov.io/gh/lucianorusso/alm-challenge-ljr-straight-pies)

"use strict";

/**
 *  Tiempo │ 1 │ 2 │ 3 │ 4 │ 5 │ 6 │ 7 │ 8 │ 9 │ 10 │ 11 │ 12 │ ...
 *  ─────────────────────────────────────────────────────────────────
 *  Valor  │ 3 │ 2 │ 1 │ 6 │ 5 │ 4 │ 3 │ 2 │ 1 │ 12 │ 11 │ 10 │ ...
 */
module.exports = function module(initialValue) {
  if (initialValue === undefined) throw new Error('initialValue is mandatory');
  if (initialValue <= 0) throw new Error('initialValue must be greather than 0');
  return function counter(t) {
    if (t <= 0) throw new Error('Invalid paramater, t must be greather than 0');
    let value = initialValue + 1;
    let multiplier = 2;

    for (let x = 0; x < t; x += 1) {
      value -= 1;

      if (value === 0) {
        value = initialValue * multiplier;
        multiplier *= 2;
      }
    }

    return value;
  };
};