Rahul Banerjee
Rahul Banerjee

Rahul Banerjee

4 packages to generate UUIDs in JavaScript

4 packages to generate UUIDs in JavaScript

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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

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

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

NanoID 13.7k+ ⭐️

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

npm install nanoid

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

Short-UUID 239 ⭐️

To install the package

npm install short-uuid

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

UUIDV4 110 ⭐️

Install it

npm install uuidv4

Below is the code snippet

const uuidv4 = require('uuidv4')

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