Parse any format of time

timestampParse.ts

// Read: 
//   https://stackoverflow.com/a/12423012/8271526
//   https://stackoverflow.com/a/9186301/8271526

function timestampParse(time: string | number): number {
  let t = 0;

  if (typeof time === "number")
    if (/^[0-9]{10}$/.test(`${time}`)) // is unix
      t = time * 1000;
    else
      t = time;

  const result = new Date(t).getTime();
  if (result > 0) // is valid
     return result;
  else return new Date().getTime();
}