Nodejs Utililty Methods String Format

String.prototype.format = String.prototype.format ||
function () {
    var str = this.toString();
    if (arguments.length) {
        var t = typeof arguments[0];
        var key;
        var args = ("string" === t || "number" === t) ?
            Array.prototype.slice.call(arguments)
            : arguments[0];
...

String.prototype.format = String.prototype.format || function () {
  var string = this
  for (var i = 0, j = arguments.length; i < j; i++) {
    string = string.replace(new RegExp('\\{' + i + '\\}', 'gm'), arguments[i])
  return string

String.prototype.format = String.prototype.format || function format() {
    var args = arguments;
    return this.replace(/\{(\d+)\}/g, function($0, $1) {
        return args[+$1];
    });
};

String.prototype.format = function format(object) {
    let parsed = this;
    for (const option in object) {
        if ({}.hasOwnProperty.call(object, option)) {
            const regex = new RegExp(`#{${option}}`, 'g');
            parsed = parsed.replace(regex, object[option]);
    return parsed;
...

function format () {
  if (arguments.length === 0) return this;
  var iter;
  if (arguments.length > 1) { 
    iter = arguments;
  } else {
    iter = arguments[0];
  var ret = this;
...

(function(){
function format () {
  if (arguments.length === 0) return this;
  var iter;
  if (arguments.length > 1) { 
    iter = arguments;
  } else {
    iter = arguments[0];
  var ret = this;
  for (var i in iter) {
    ret = ret.replace('{'+i+'}', iter[i]);
  return ret;
String.prototype.format = format;
})();

Date.prototype.toFormattedString = function (f) {
    var nm = this.getMonthName();
    var nd = this.getDayName();
    f = f.replace(/yyyy/g, this.getFullYear());
    f = f.replace(/yy/g, String(this.getFullYear()).substr(2, 2));
    f = f.replace(/MMM/g, nm.substr(0, 3).toUpperCase());
    f = f.replace(/Mmm/g, nm.substr(0, 3));
    f = f.replace(/MM\*/g, nm.toUpperCase());
    f = f.replace(/Mm\*/g, nm);
...

Date.prototype.toFormattedString = function(f) {
    f = f.replace(/yyyy/g, this.getFullYear());
    f = f.replace(/yy/g, String(this.getFullYear()).substr(2, 2));
    f = f.replace(/mm/g, String(this.getMonth() + 1).padLeft('0', 2));
    f = f.replace(/dd/g, String(this.getDate()).padLeft('0', 2));
    f = f.replace(/HH/g, String(this.getHours()).padLeft('0', 2));
    f = f.replace(/MM/g, String(this.getMinutes()).padLeft('0', 2));
    return f;
};
...

WScript.echo("Date Extensions Module Loaded");
Date.prototype.toFormattedString = function (format) {
    var year = (this.getFullYear()).toString();
    var month = (1 + this.getMonth()).toString();
    var day = (this.getDate()).toString();
    month = month.length > 1 ? month : "0" + month;
    day = day.length > 1 ? day : "0" + day;
    switch (format) {
        case "YYYYMMDD": return year + month + day; break;
...

Date.prototype.toFormattedString = function(include_time) {
  var str = this.getFullYear() + '-' + Date.padded2(this.getMonth() + 1) + '-' + Date.padded2(this.getDate());
  return str;