Determine if a day is a Quartz holiday.
const{ isHoliday }=require('@quartz/holidays');// Is today a Quartz holiday?isHoliday()&&console.log('🙌');// Is today a non-working day at Quartz (includes weekends)?isHoliday(undefined,{weekends: true})&&console.log('🏕️');// Was a specific day a Quartz holiday?isHoliday(newDate('2018-07-04'))&&console.log('🎆');Or get a list of all Quartz holidays for a given year. Note that dateString is
formatted like the return values of getDate and getMonth. The date
property is a Date instance.
const{ getHolidays }=require('@quartz/holidays');console.log(getHolidays('2019'));// [// {// name: "New Year's Day",// date: 2019-01-01T00:00:00.000Z,// dateString: '2019-1-1',// },// ...// ]