Change ISO Date String to Date Object - JavaScript

Question

I am stuck in a weird situation and unfortunately,even after doing some RnD and googling, i am unable to solve this problem.

I have a date string in ISO format, lik

Answer 1

I started of with kevinmicke's excellent answer, but since I needed this for a code generator, I was concerned with code size. Eventually I ended up with this:

const parseDate = dateString => {
  const b = dateString.split(/\D+/);
  const offsetMult = dateString.indexOf('+') !== -1 ? -1 : 1;
  const hrOffset = offsetMult * (+b[7] || 0);
  const minOffset = offsetMult * (+b[8] || 0);  
  return new Date(Date.UTC(+b[0], +b[1] - 1, +b[2], +b[3] + hrOffset, +b[4] + minOffset, +b[5], +b[6] || 0));
};