Function formatScheduleDelta

packages/shared/src/lib/scheduledPost.ts:39–61

(date: Date | null)

};

export const formatScheduleDelta = (date: Date | null): string | null => {
  if (!date) {
    return null;
  }

  const diffMs = date.getTime() - Date.now();
  if (diffMs <= 0) {
    return 'now';
  }

  const minutes = Math.max(1, Math.round(diffMs / 60_000));
  if (minutes < 60) {
    return `${minutes} minute${minutes === 1 ? '' : 's'} from now`;
  }

  const hours = Math.round(minutes / 60);
  if (hours < 24) {
    return `${hours} hour${hours === 1 ? '' : 's'} from now`;
  }

  const days = Math.round(hours / 24);
  return `${days} day${days === 1 ? '' : 's'} from now`;
};

// Validation copy mirrors the daily-api errors so the client blocks the same
// inputs the server would reject.