JSFiddle - React, Tailwind, and code Playground

JavaScript

function addZeroIfRequired(dayOrMonth) {
    return dayOrMonth > 9 ? dayOrMonth : "0"+dayOrMonth;
}

function getDate(dateString) {
   var date = dateString ? new Date(dateString) : new Date();
   return addZeroIfRequired((date.getUTCMonth()+1))+ "-" + 
          addZeroIfRequired(date.getDate())+ "-" + 
          date.getUTCFullYear();
}

console.log(getDate());
console.log(getDate("Fri May 22 2015 13:32:25 GMT-0400"));