Package Exports

dayjs-business-time

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Readme

dayjs-business-time

A Day.js plugin that allows you to work with Business Time.

Business Days
Business Hours
Business Minutes
Customize business days and hours
Customize Holidays to prevent them to be counted as Business Days

Getting Started

Setup
Checking
Next and Last
Adding Business Time
Subtracting Business Time
Diff

Instalation

With NPM

npm i dayjs-business-time

With Yarn

yarn add dayjs-business-time

Usage

NodeJS

// First of all, include dayjs
const dayjs = require('dayjs');

// Then, include dayjs-business-time
const dayjsBusinessTime = require('dayjs-business-time');

// Attach dayjs plugin
dayjs.extend(dayjsBusinessTime);

// Now you have all Business Time methods in dayjs

Typescript

// First of all, include dayjs
import dayjs from 'dayjs';

// Then, include dayjs-business-time
import dayjsBusinessTime from 'dayjs-business-time';

// Attach dayjs plugin
dayjs.extend(dayjsBusinessTime);

// Now you have all Business Time methods in dayjs

Setup

Setting Holidays

By default, holidays are empty!

// Create your holidays array as string array
const holidays: string[] = [
    '2021-01-01',
    '2021-01-25',
    '2021-06-03',
];

// Add holidays to dayjs
dayjs.setHolidays(holidays);

Getting Holidays

const holidays: string[] = dayjs.setHolidays(holidays);

console.log(holidays);
// Output: ['2021-01-01', '2021-01-25', '2021-06-03']

Setting Business Times

By default, Business Times are Monday-Friday, 9am - 5pm, but you can setup as many Business Segments you want in a day

// Create your Business Week definition
const businessTimes: BusinessHoursMap = {
  sunday: null,
  monday: [
    { start: '09:00:00', end: '17:00:00' }
  ],
  tuesday: [
    { start: '09:00:00', end: '12:00:00' },
    { start: '13:00:00', end: '18:00:00' }
  ],
  wednesday: [
    { start: '09:00:00', end: '12:00:00' },
    { start: '13:00:00', end: '16:00:00' },
    { start: '13:00:00', end: '17:00:00' }
  ],
  thursday: [
    { start: '09:00:00', end: '17:00:00' }
  ],
  friday: [
    { start: '09:00:00', end: '17:00:00' }
  ],
  saturday: null,
}

// Set Business Times in dayjs
dayjs.setBusinessTime(businessTimes);

Checking

Check if a date is a Holiday

According to holidays setup

const isHoliday = dayjs('2021-02-01').isHoliday();

console.log(isHoliday); // false

Check if a date is a Business Day

Bussiness Days are days with Business Hours settled, excluding Holidays.

const isBusinessDay = dayjs('2021-02-01').isBusinessDay();

console.log(isBusinessDay); // true

Check if a Time is Business Time

Bussiness Times are all minutes between Start and End of a Business Time Segment.

const isBusinessTime = dayjs('2021-02-01 10:00:00').isBusinessTime();

console.log(isBusinessTime); // true

Next and Last

Get Next Business Day

const nextBusinessDay = dayjs('2021-02-01').nextBusinessDay();

console.log(nextBusinessDay); // 2021-02-02

Get Last Business Day

const lastBusinessDay = dayjs('2021-02-01').lastBusinessDay();

console.log(nextBusinessDay); // 2021-01-29

Get Next Business Time

const nextBusinessTime = dayjs('2021-02-01 18:00:00').nextBusinessTime();

console.log(nextBusinessTime); // 2021-02-02 09:00:00

Get Last Business Time

const lastBusinessTime = dayjs('2021-02-01 08:00:00').lastBusinessTime();

console.log(lastBusinessTime); // 2021-01-29 17:00:00

Adding Business Time

Add Business Time

const day = dayjs('2021-02-01 10:00:00');
const timeToAdd: number = 2;

// Possible BusinessTimeUnit is 'day', 'days', 'hour', 'hours', 'minute', 'minutes'
const unit: BusinessTimeUnit = 'days';

const newBusinessTime: Dayjs = day.addBusinessTime(timeToAdd, unit);

console.log(newBusinessTime); // 2021-02-02 10:00:00

Add Business Days

This method is just an alias for .addBusinessTime(timeToAdd, 'days')

const day = dayjs('2021-02-01 10:00:00');
const timeToAdd: number = 2;

const newBusinessTime: Dayjs = day.addBusinessDays(timeToAdd);

console.log(newBusinessTime); // 2021-02-02 10:00:00

Add Business Hours

This method is just an alias for .addBusinessTime(timeToAdd, 'hours')

const day = dayjs('2021-02-01 10:00:00');
const timeToAdd: number = 2;

const newBusinessTime: Dayjs = day.addBusinessHours(timeToAdd);

console.log(newBusinessTime); // 2021-02-01 12:00:00

Add Business Minutes

This method is just an alias for .addBusinessTime(timeToAdd, 'minutes')

const day = dayjs('2021-02-01 10:00:00');
const timeToAdd: number = 30;

const newBusinessTime: Dayjs = day.addBusinessMinutes(timeToAdd);

console.log(newBusinessTime); // 2021-02-01 10:30:00

Subtracting Business Time

Subtract Business Time

const day = dayjs('2021-02-01 10:00:00');
const timeToSubtract: number = 2;

// Possible BusinessTimeUnit is 'day', 'days', 'hour', 'hours', 'minute', 'minutes'
const unit: BusinessTimeUnit = 'days';

const newBusinessTime: Dayjs = day.subtractBusinessTime(timeToSubtract, unit);

console.log(newBusinessTime); // 2021-01-28 10:00:00

Subtract Business Days

This method is just an alias for .subtractBusinessTime(timeToSubtract, 'days')

const day = dayjs('2021-02-01 10:00:00');
const timeToSubtract: number = 2;

const newBusinessTime: Dayjs = day.subtractBusinessDays(timeToSubtract);

console.log(newBusinessTime); // 2021-01-28 10:00:00

Subtract Business Hours

This method is just an alias for .subtractBusinessTime(timeToSubtract, 'hours')

const day = dayjs('2021-02-01 12:00:00');
const timeToSubtract: number = 2;

const newBusinessTime: Dayjs = day.subtractBusinessHours(timeToSubtract);

console.log(newBusinessTime); // 2021-02-01 10:00:00

Subtract Business Minutes

This method is just an alias for .subtractBusinessTime(timeToSubtract, 'minutes')

const day = dayjs('2021-02-01 10:00:00');
const timeToSubtract: number = 30;

const newBusinessTime: Dayjs = day.subtractBusinessMinutes(timeToSubtract);

console.log(newBusinessTime); // 2021-02-01 09:30:00

Diff

Business Time Diff

const start: Dayjs = dayjs('2021-02-01 10:00:00');
const end: Dayjs = dayjs('2021-02-04 10:00:00');

// Possible BusinessTimeUnit is 'day', 'days', 'hour', 'hours', 'minute', 'minutes'
const unit: BusinessTimeUnit = 'days';

const difference: number = start.businessTimeDiff(end, unit);

console.log(difference); // 3

Business Days Diff

This method is just an alias for .businessTimeDiff(dateToCompare, 'days')

const start: Dayjs = dayjs('2021-02-01 10:00:00');
const end: Dayjs = dayjs('2021-02-04 10:00:00');

const difference: number = start.businessDaysDiff(end);

console.log(difference); // 3

Business Hours Diff

This method is just an alias for .businessTimeDiff(dateToCompare, 'hours')

const start: Dayjs = dayjs('2021-02-01 10:00:00');
const end: Dayjs = dayjs('2021-02-01 15:00:00');

const difference: number = start.businessHoursDiff(end);

console.log(difference); // 5

Business Minutes Diff

This method is just an alias for .businessTimeDiff(dateToCompare, 'minutes')

const start: Dayjs = dayjs('2021-02-01 10:00:00');
const end: Dayjs = dayjs('2021-02-01 10:45:00');

const difference: number = start.businessMinutesDiff(end);

console.log(difference); // 25