Function publishTimeRelativeShort

packages/shared/src/lib/dateFormat.ts:20–55

(
  value: Date | number | string,
  now = new Date(),
)

  !Number.isNaN(date.getTime());

export const publishTimeRelativeShort = (
  value: Date | number | string,
  now = new Date(),
): string => {
  const date = new Date(value);

  // Calculate time delta in seconds.
  const dt = (now.getTime() - date.getTime()) / 1000;

  if (dt <= oneMinute) {
    return 'now';
  }

  if (dt <= oneHour) {
    const numMinutes = Math.round(dt / oneMinute);
    return `${numMinutes}m`;
  }

  if (dt <= oneDay) {
    const numHours = Math.round(dt / oneHour);
    return `${numHours}h`;
  }

  if (dt <= oneWeek) {
    const numDays = Math.round(dt / oneDay);
    return `${numDays}d`;
  }

  if (dt <= oneYear) {
    const numWeeks = Math.round(dt / oneWeek);
    return `${numWeeks}w`;
  }

  const numYears = Math.round(dt / oneYear);
  return `${numYears}y`;
};

// Full, readable date for the notification timestamp tooltip — e.g.
// "15 April 2024 at 14:30".