Random-otp-generator NPM

random-otp-generator

'random-otp-generator' is a function that generates a random one-time password (OTP). This function takes in two arguments - length and options - and returns a randomly generated OTP as a string.

Installation

To use randomOtp in your project, you can install it via npm:

npm install random-otp-generator

Usage

Here's an example of how you can use randomOtp in your code:

const randomOtp = require('random-otp-generator');

//  Generate a 4- digits OTP by default
const otp = randomOtp();

console.log(otp);  //Example output: "5172"

//You can also specify length of the OTP

const otp = randomOtp(6);

console.log(otp) // Example output : "517141"

You can also pass in an optional options object to customize the generated OTP:

// Generate a 6-character OTP consisting of lowercase letters;
const otp = randomOtp(6, { alpha: true, lower: true });

console.log(otp); // Example output: "svprna"

// Generate a 6-character OTP consisting alphabets and numbers;
const otp = randomOtp(6, { alphaNum: true });

console.log(otp); // Example output: K8WZT1

// Generate a 6-character OTP consisting of special chars;
const otp = randomOtp(6, { specialChars: true });

console.log(otp); // Example output: ^&*@#$

Arguments

The randomOtp function takes in two arguments:

length (optional): The length of the OTP to be generated. Defaults to 4 if not specified.

`options` (optional): An object that can contain the following properties:

List of available options

lower: Set to true to convert generated OTP to lowercase. alpha: Set to true to generate alphabetic OTP (upper-case). specialChars: Set to true to generate special character based OTP. alphaNum: Set to true to generate OTP with alpha-numeric characters.