JSON.parse() with nested Date type properties

json.date.parse.js

const moment = require("moment");

const dummy = { d: { d1: new Date() } };

function isDateString(value) {
  return (
    typeof value === "string" &&
    moment(value, moment.ISO_8601, true).isValid() &&
    value.length >= 6
  );
}

function dateReviewer(_, value) {
  if (isDateString(value)) {
    return moment(value).toDate();
  }
  return value;
}

console.log(dummy); // { d: { d1: 2023-03-28T12:42:16.144Z } }
console.log(JSON.parse(JSON.stringify(dummy), dateReviewer)); // { d: { d1: 2023-03-28T12:42:16.144Z } }