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Rahul Banerjee
Rahul Banerjee

Posted on • Originally published at realpythonproject.com

4 packages to generate UUIDs in JavaScript

#node #javascript #codenewbie #programming

Generating UUIDs

UUIDs are Universally Unique Identifiers. They are also known as GUIDs (Globally Unique Identifier). It is basically unique IDs. Below is an example

00630208-fe51-11eb-9a03-0242ac130003
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Let's take a look at 4 different ways to generate UUIDs in JavaScript

UUID 11.4k+⭐️

First, we will need to install it

npm install uuid
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Below is the code-snippet to generate an UUID

const uuid = require('uuid') // Generates a version 4 uuid console.log( uuid.v4() ) // 01a8fc1c-81ff-4337-82af-c4bc64121851 // Generates a version 1 uuid console.log( uuid.v1() ) // 01a8fc1c-81ff-4337-82af-c4bc64121851
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NanoID 13.7k+ ⭐️

This is useful to generate URL friendly UUIDS.
Let's install the package

npm install nanoid
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Below is the code snippet

const nanoid = require('nanoid') // Generate a random UUID console.log( nanoid.nanoid(size = 32) ) // QbM9RUrdJTfQjhRb_lK3oP0hPaqdmoMz // Generate an uuid using specific characters console.log( nanoid.customAlphabet('abcd#',32)() ) // b#bdacc#dd#acdcdccacd#bd#bdacddd
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Short-UUID 239 ⭐️

To install the package

npm install short-uuid
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Below is the code snippet

const shortUUID = require('short-uuid') // Generate an UUID console.log( shortUUID.generate() ) // 1B8f2uLpYVj454zycCjLB1 // Generate an UUID using specific characters console.log( shortUUID( 'b$a#c.*9' ).generate() ) //$9c$.b$*b*#$*$ca$$c##9$c.a9.*9#$a..b*b##c#c
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UUIDV4 110 ⭐️

Install it

npm install uuidv4
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Below is the code snippet

const uuidv4 = require('uuidv4') console.log( uuidv4.uuid() ) // 67bf5875-cda6-45a7-bd2b-c5142956b786
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