silverbullet/lib/dates.ts

export function niceDate(d: Date): string {
  function pad(n: number) {
    let s = String(n);
    if (s.length === 1) {
      s = "0" + s;
    }
    return s;
  }

  return d.getFullYear() + "-" + pad(d.getMonth() + 1) + "-" + pad(d.getDate());
}

export function niceTime(d: Date): string {
  const isoDate = d.toISOString();
  const [_, time] = isoDate.split("T");
  // hh:mm:ss
  return time.split(".")[0];
}

export function safeTime(d: Date): string {
  return niceTime(d).replace(/:/g, "-");
}