Generate Verification Code

A simple NPM package to generate verification code for sms or email

Installation

You can install the generate-verification-code library using npm or yarn:

npm install generate-verification-code
# or
yarn add generate-verification-code

Usage

To generate a verification code using the library, follow these steps:

1. Import the library:

import { generateVerificationCode } from 'generate-verification-code';

//or

const { generateVerificationCode } = require('generate-verification-code');

2. Call the generateVerificationCode function with optional parameters:

// Default options: length = 6, type = 'number'
const verificationCode1 = generateVerificationCode();

// Custom options: length = 4, type = 'string'
const verificationCode2 = generateVerificationCode({
    length: 4,
    type: 'string',
});

3. Use the generated verification code:

console.log('Verification Code 1:', verificationCode1);
console.log('Verification Code 2:', verificationCode2);

API

generateVerificationCode(options) Generates a verification code based on the provided options.

• options (optional): An object containing the following optional properties:
  • length (optional): The length of the verification code. Default is 6. If type is number then maximum value of the length will be 16. Length should be greater than zero.s
  • type (optional): The type of verification code to generate. Can be 'string' or 'number'. Default is 'number'.

Returns the generated verification code as a string or number, based on the specified type in the options.

Error Handling

The library handles various error scenarios, such as invalid options or input. If an error occurs, the library will throw an error with a descriptive message.

try {
    const verificationCode = generateVerificationCode({
        length: -1,
        type: 'number'
    });
} catch (error) {
    console.error('Error:', error.message);
}