date-ft-alg/index.js

Javascript package to formart date and time

function formatDate(date, order = "dmy", sep = "/") {
    const d = new Date(date);
  
    const day = String(d.getDate()).padStart(2, '0');
    const month = String(d.getMonth() + 1).padStart(2, '0');
    const year = String(d.getFullYear()).slice(-2); // last two digits
  
    let parts;
    switch (order.toLowerCase()) {
      case "dmy": parts = [day, month, year]; break;
      case "mdy": parts = [month, day, year]; break;
      case "ymd": parts = [year, month, day]; break;
      default: throw new Error("Invalid order. Use 'dmy', 'mdy', or 'ymd'.");
    }
  
    return parts.join(sep);
  }
  
  // helpers if you want shorter calls
  const dmy = (sep, date) => formatDate(date, "dmy", sep);
  const mdy = (sep, date) => formatDate(date, "mdy", sep);
  const ymd = (sep, date) => formatDate(date, "ymd", sep);
  
  module.exports = { formatDate, dmy, mdy, ymd };