silverbullet/packages/plugs/core/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())
}