Мы получаем название праздника (если он есть) методом .isHoliday()
.
пример: https://repl.it/@AndreasTeneketz / momentHoliday
const moment=require('moment-holiday')
const start = moment('01.01.2000','DD.MM.YYYY')
const end = moment('01.05.2000','DD.MM.YYYY')
const momentList = start.holidaysBetween(end)
const holidayList = momentList.map(momentHoliday=>({date:momentHoliday.format('DD.MM.YYYY'),name:momentHoliday.isHoliday() })
)
////// gives us //////
[ { date: '17.01.2000', name: 'Martin Luther King Jr. Day' },
{ date: '14.02.2000', name: 'Valentine\'s Day' }, { date: '21.02.2000', name: 'Washington\'s Birthday' },
{ date: '17.03.2000', name: 'Saint Patrick\'s Day' }, { date: '21.04.2000', name: 'Good Friday' },
{ date: '23.04.2000', name: 'Easter Sunday' } ]