Date Calculations

compareDates.ts

moment('2010-10-20').isBefore('2010-10-21');
moment('2010-10-20').isBefore('2010-12-31', 'year'); // false
moment('2010-10-20').isSame('2010-10-20'); // true
moment('2010-10-20').isAfter('2010-10-19'); // true
moment('2010-10-20').isSameOrBefore('2010-10-21');  // true
moment('2010-10-20').isSameOrAfter('2010-10-21'); // false
moment('2010-10-20').isBetween('2010-10-19', '2010-10-25'); // true
moment('2010-10-20').isBetween('2010-10-19', undefined); // true, since moment(undefined) evaluates as moment()