.valueOf(): number

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

const date = fdu('2024-01-15T00:00:00Z');
date.valueOf();  // 1705276800000

const now = fdu();
console.log(now.valueOf());  // Current timestamp

const date1 = fdu('2024-01-01T00:00:00Z');
date1.valueOf();  // 1704067200000

const date2 = fdu('2024-12-31T23:59:59Z');
date2.valueOf();  // 1735689599000

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

if (date1.valueOf() < date2.valueOf()) {
  console.log('date1 is earlier');
}

// Or use isBefore() method (recommended)
if (date1.isBefore(date2)) {
  console.log('date1 is earlier');
}

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

const diffMs = date2.valueOf() - date1.valueOf();
const diffDays = diffMs / (24 * 60 * 60 * 1000);

console.log(`Difference: ${diffDays} days`);
// Or use diff() method (recommended)
console.log(`Difference: ${date2.diff(date1, 'day')} days`);

const date = fdu('2024-01-15T14:30:00');

// Store timestamp in database
db.insert({
  timestamp: date.valueOf()
});

// Retrieve and recreate
const row = db.select();
const retrieved = fdu(row.timestamp);

const start = fdu();

// Do some work...
performTask();

const end = fdu();
const elapsed = end.valueOf() - start.valueOf();

console.log(`Task took ${elapsed}ms`);

const date = fdu();

const cacheKey = `data_${date.valueOf()}`;
cache.set(cacheKey, data);

function randomDate(start: FduInstance, end: FduInstance): FduInstance {
  const startMs = start.valueOf();
  const endMs = end.valueOf();
  const randomMs = startMs + Math.random() * (endMs - startMs);

  return fdu(randomMs);
}

const start = fdu('2024-01-01');
const end = fdu('2024-12-31');
const random = randomDate(start, end);

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

// These work without explicitly calling valueOf()
console.log(date1 < date2);           // true
console.log(date2 - date1);           // difference in ms
console.log(+date1);                  // valueOf() result
console.log(Number(date1));           // valueOf() result

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

// Sort by timestamp
dates.sort((a, b) => a.valueOf() - b.valueOf());
// Or: dates.sort((a, b) => +a - +b);