Experium deadline calculator

Based on russian weekends calendar from gov.ru

Usage

addWorkingsDays(Date, Number) : Date Function

import { addWorkingsDays } from 'experium-deadline-calculator';

const nextDeadlineWorkingDate = addWorkingsDays(new Date('2019-04-30'), 2);
// Date('2019-05-07')

checkDate(Date) : Boolean Function

import { checkDate } from 'experium-deadline-calculator';

const isWeekend = checkDate(new Date('2019-05-09'));
// true

coutPeriodWeekends(Date, Date) : Number Function

import { coutPeriodWeekends } from 'experium-deadline-calculator';

const weekendsCount = coutPeriodWeekends(new Date('2019-05-01'), new Date('2019-05-09'));
// 6