date-time-format-icu/dist/index.mjs

This package provides a simple and flexible way to format JavaScript dates

// src/types.ts
var DateFormat = /* @__PURE__ */ ((DateFormat2) => {
  DateFormat2["short"] = "M/d/yy, h:mm a";
  DateFormat2["medium"] = "MMM d, y, h:mm:ss a";
  DateFormat2["long"] = "MMMM d, y, h:mm:ss a z";
  DateFormat2["full"] = "EEEE, MMMM d, y, h:mm:ss a zzzz";
  DateFormat2["shortDate"] = "M/d/yy";
  DateFormat2["mediumDate"] = "MMM d, y";
  DateFormat2["longDate"] = "MMMM d, y";
  DateFormat2["fullDate"] = "EEEE, MMMM d, y";
  DateFormat2["shortTime"] = "h:mm a";
  DateFormat2["mediumTime"] = "h:mm:ss a";
  DateFormat2["longTime"] = "h:mm:ss a z";
  DateFormat2["fullTime"] = "h:mm:ss a zzzz";
  return DateFormat2;
})(DateFormat || {});

// src/index.ts
function dateFormatter(input, format = "medium", locale = "en-US") {
  let date;
  if (input instanceof Date) {
    date = input;
  } else if (typeof input === "string" || typeof input === "number") {
    const parsed = new Date(input);
    if (isNaN(parsed.getTime())) {
      return "Invalid Date";
    }
    date = parsed;
  } else {
    return "Invalid Input";
  }
  const formatString = DateFormat[format] || format;
  try {
    return new Intl.DateTimeFormat(locale, buildIntlOptions(formatString)).format(date);
  } catch (err) {
    return date.toISOString();
  }
}
function buildIntlOptions(format) {
  const options = {};
  if (format.indexOf("y") !== -1) options.year = "numeric";
  if (format.indexOf("yy") !== -1 && format.indexOf("yyy") === -1) options.year = "2-digit";
  if (format.indexOf("MMMM") !== -1) options.month = "long";
  else if (format.indexOf("MMM") !== -1) options.month = "short";
  else if (format.indexOf("MM") !== -1) options.month = "2-digit";
  else if (format.indexOf("M") !== -1) options.month = "numeric";
  if (format.indexOf("dd") !== -1) options.day = "2-digit";
  else if (format.indexOf("d") !== -1) options.day = "numeric";
  if (format.indexOf("EEEE") !== -1) options.weekday = "long";
  else if (format.indexOf("EEE") !== -1) options.weekday = "short";
  if (format.indexOf("hh") !== -1 || format.indexOf("h") !== -1) {
    options.hour = "2-digit";
    options.hour12 = true;
  } else if (format.indexOf("HH") !== -1 || format.indexOf("H") !== -1) {
    options.hour = "2-digit";
    options.hour12 = false;
  }
  if (format.indexOf("mm") !== -1) options.minute = "2-digit";
  if (format.indexOf("ss") !== -1) options.second = "2-digit";
  if (format.indexOf("zzzz") !== -1) options.timeZoneName = "long";
  else if (format.indexOf("z") !== -1) options.timeZoneName = "short";
  return options;
}
export {
  dateFormatter
};