dayjs-random

This is a plugin for Day.js that allows you to generate random datetimes.

• Get a random dayjs instance between two datetimes
• Get a random dayjs instance that's coming up or recently occurred
• Get a random dayjs instance that's in the past or future

Getting Started

The following guide will help you install and use this plugin with Day.js

Prerequisites

Day.js installed

Installation

You can install via Yarn or npm

yarn add dayjs-random

npm install dayjs-random

Usage Guide

You will need to import the plugin and activate it via the Day.js .extend() function

ES6

import dayjs from 'dayjs'
import dayjsRandom from 'dayjs-random'

dayjs.extend(dayjsRandom)

Node

const dayjs = require('dayjs')
const dayjsRandom = require('dayjs-random')

dayjs.extend(dayjsRandom)

between

dayjs.between(Date1, Date2) Returns a date between Date1 and Date2.

dayjs.between('2020-06-10', '2030-03-02').format('YYYY-MM-DD') 
// returns 2026-08-27

dayjs.between('2020-06-10T11:00:00+01:00', '2020-06-10T19:00:00+01:00').format()
// returns 2020-06-10T15:52:59+01:00

soon

dayjs.soon(days, refDate) Returns a date sometime between now and N days in the future. If not provided, days will default to 1 and refDate will default to now.

dayjs().format() // 2020-06-10T11:00:00+01:00

dayjs.soon().format() // returns 2020-06-11T08:23:04+01:00

recent

dayjs.recent(days, refDate) Returns a date sometime between now and N days ago. If not provided, days will default to 1 and refDate will default to now.

dayjs().format() // 2020-06-10T11:00:00+01:00

dayjs.recent().format() // returns 2020-06-09T22:39:59+01:00

future

dayjs.future(years, refDate) Returns a date sometime between now and N years in the future. If not provided, years will default to 1 and refDate will default to now.

dayjs().format() // 2020-06-10T11:00:00+01:00

dayjs.future().format() // returns 2020-07-06T12:41:59+01:00

past

dayjs.past(years, refDate) Returns a date sometime between now and N years ago. If not provided, years will default to 1 and refDate will default to now.

dayjs().format() // 2020-06-10T11:00:00+01:00

dayjs.past().format() // returns 2019-09-28T07:29:19+01:00

Local Development and Contributing

We are more than happy to accept PRs for bugs, improvements or new features. Developing your own changes locally is easy, you just need to clone the repo

git clone git@github.com/FraserHamilton/dayjs-random

cd dayjs-random

and install the dependencies with either npm or yarn

npm i

yarn

Tests can be ran with the test script

npm run test

yarn test