const { getHolidays, getUpcomingHolidays, isHoliday, language } = require('swedish-holidays'); // Get an array of all holidays for the current const holidays = getHolidays(); // Get an array of all holidays for a specific year const holidays2019 = getHolidays(2019); // Get an array of all upcoming holidays const upcoming = getUpcomingHolidays(); // Check if today is a holiday const isItAHolidayToday = isHoliday(); // Or if you want to check a specific date const isThisAHoliday = isHoliday(new Date("2019-12-24")); // Create a translation const translation = { ...language }; translation.christmasEve = 'Christmas Eve'; // Get an array of holidays with applied translation const holidays2020 = getHolidays(2020, translation);