chinese-workday

// const { isWorkday, isHoliday, getFestival } = require('chinese-workday');
const ww = require('chinese-workday');
const isWorkday = ww.isWorkday;
const isHoliday = ww.isHoliday;
const getFestival = ww.getFestival;
const isAddtionalWorkday = ww.isAddtionalWorkday;

isWorkday('2022-10-01')
// => false
isHoliday('2022-10-01')
// => true
isAddtionalWorkday('2022-01-29')
// => true
getFestival('2022-10-01')
// => 国庆节