.isBefore(other: FduInstance): boolean

import { fdu } from '@pyyupsk/fdu';

const date1 = fdu('2024-01-15');
const date2 = fdu('2024-01-20');

date1.isBefore(date2);  // true
date2.isBefore(date1);  // false

const date1 = fdu('2024-01-15');
const date2 = fdu('2024-01-15');

date1.isBefore(date2);  // false (same date)

const morning = fdu('2024-01-15T09:00:00');
const afternoon = fdu('2024-01-15T14:00:00');

morning.isBefore(afternoon);  // true

const sameTime = fdu('2024-01-15T09:00:00');
morning.isBefore(sameTime);   // false (exact same time)

const date = fdu('2023-01-15');
const now = fdu();

if (date.isBefore(now)) {
  console.log('This date is in the past');
}

function isInRange(date: FduInstance, start: FduInstance, end: FduInstance): boolean {
  return !date.isBefore(start) && date.isBefore(end);
}

const date = fdu('2024-06-15');
const start = fdu('2024-01-01');
const end = fdu('2024-12-31');

isInRange(date, start, end);  // true

const dates = [
  fdu('2024-03-15'),
  fdu('2024-01-20'),
  fdu('2024-02-10')
];

dates.sort((a, b) => a.isBefore(b) ? -1 : 1);
// Results in chronological order: Jan 20, Feb 10, Mar 15

const deadline = fdu('2024-12-31');
const today = fdu();

if (today.isBefore(deadline)) {
  const daysLeft = deadline.diff(today, 'day');
  console.log(`${daysLeft} days until deadline`);
} else {
  console.log('Deadline has passed');
}

const eventDate = fdu('2024-12-25');
const now = fdu();

if (now.isBefore(eventDate)) {
  console.log('Event is upcoming');
} else {
  console.log('Event has already occurred');
}