Date-Time presentation formatter

presentDateTime.js

function presentDateTime(dateObjectOrString) {
  const pDateTime = (dateObjectOrString instanceof Date) ? dateObjectOrString : new Date(dateObjectOrString);
  const pYear = nonZeroSuppression(pDateTime.getFullYear(), 4);
  const pMonth = nonZeroSuppression(pDateTime.getMonth() + 1);
  const pDay = nonZeroSuppression(pDateTime.getDate());
  const pHours = nonZeroSuppression(pDateTime.getHours());
  const pMinutes = nonZeroSuppression(pDateTime.getMinutes());
  return `${pYear}-${pMonth}-${pDay}, ${pHours}:${pMinutes}`;
  
  function nonZeroSuppression(num, width = 2) {
    return `${num}`.padStart(width, '0');
  }
}

const newYear = '2023-01-02T01:02:03.000Z';
const midYear = '2023-05-04T01:02:03.000Z';

console.log(presentDateTime(newYear));
console.log(presentDateTime(new Date(newYear)));
console.log(presentDateTime(midYear));
console.log(presentDateTime(new Date(midYear)));