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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