/**
   * @desc gets the closes number in a range of numbers
   * @param {Array} list
   * @param {Number} goal
   * @author a mix of stackoverflowers
   */
  const closestInRange = (list, goal) => (
    list.reduce((prev, curr) => (
      Math.abs(curr - goal) < Math.abs(prev - goal) ? curr : prev
    ))
  );