Function relativeToDuration

src/utils/IntlWrapper.ts:345–371

(
  input: number,
  units: (keyof typeof dateUnitToMs)[] = ['minutes', 'hours', 'days', 'years'],
  relativeTo: Date | number = 0,
)

}

export function relativeToDuration(
  input: number,
  units: (keyof typeof dateUnitToMs)[] = ['minutes', 'hours', 'days', 'years'],
  relativeTo: Date | number = 0,
): { duration: DurationFormat; isFuture: boolean } {
  const duration: DurationFormat = {};
  const relative = new Date(relativeTo).getTime();
  let time = Math.abs(relative - input);
  const isFuture = input > relative;

  for (const key in dateUnitToMs) {
    if (!units.includes(key as keyof typeof dateUnitToMs)) continue;
    const value = Math.floor(time / dateUnitToMs[key]);
    duration[key] = value;
  }
  const mapKeys = Object.keys(duration);
  for (let i = 1; i < mapKeys.length; i++) {
    const keyPrev = mapKeys[i - 1];
    const valuePrev = duration[keyPrev];
    const keyCurr = mapKeys[i];

    time -= dateUnitToMs[keyPrev] * valuePrev;
    const valueCurr = Math.floor(time / dateUnitToMs[keyCurr]);
    duration[keyCurr] = valueCurr;
  }
  return { duration, isFuture };
}

export function timeToString(time: DurationFormat): string {
  let output = '';