Date Calculator npm Package

Prerequisite

This project requires NodeJS (version 8 or later) and NPM. Node and NPM are really easy to install. To make sure you have them available on your machine, try running the following command.

$ npm -v && node -v
6.4.1
v8.16.0

Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Installation

To install and set up the library, run:

$ npm i is-date-calculator

Or if you prefer using Yarn:

$ yarn add is-date-calculator

Usage

To add days to a date:

const d = require("is-date-calculator");

const b = new d();
const date = new Date();// 8/8/2022
const c = b.addDays(date,10);

console.log(c.toLocaleDateString());

Output

18/8/2022

To subtract days from a date:

const d = require("is-date-calculator");

const b = new d();
const date = new Date();// 8/8/2022
const c = b.subDays(date,10);

console.log(c.toLocaleDateString());

Output

29/7/2022

To find difference between two dates:

const d = require("is-date-calculator");

const b = new d();
const date1 = new Date('1/1/1');
const date2 = new Date('2/2/2');
const day = b.diffDays(date1,date2);
const month = b.diffMonth(date1,date2);
const year = b.diffYear(date1,date2);


console.log(day);
console.log(month);
console.log(year);

Output

397
14
1