A small and secure one time password (otp) generator for Javascript based on nanoid.
![]()
If you find this utility library useful, you can buy me a coffee to keep me energized for creating libraries like this.
npm install otp-gen-agent --save
Mobile number has become the defacto user authentication mechanism in India and hence, OTP generation is a very common phenomena. This is a small utility lib to generate OTP.
const { otpGen } = require('otp-gen-agent');
const otp = await otpGen(); // '344156' (OTP length is 6 digit by default)
- Default OTP lenght is 6
- Default characters used to generate OTP is 0123456789
const { customOtpGen } = require('otp-gen-agent');
const otp = await customOtpGen({length: 4, chars: 'abc123'}); // 'a3c1'
Arguments:
- options: optional
- length: custom otp length
- chars: custom characters
You can customise the OTP length and also the characters to be used for OTP generation.
- Default OTP lenght is 6.
- Default characters used to generate OTP is 0123456789
const { bulkOtpGen } = require('otp-gen-agent');
const otp = await bulkOtpGen(2); // Array of otps: ['344156', '512398']
const { bulkOtpGen } = require('otp-gen-agent');
const otp = await bulkOtpGen(2, {length = 5, chars: 'abcd123'} ); // Array of otps: ['312b3', 'bcddd']
Arguments:
- num: number of OTPs to be generated in bulk
- opts: optional argument
- length: custom otp length (default: 6)
- chars: custom characters (default: 0123456789)
Useful in cases where number of OTPs to be generated is known before hand.
npm run test
If you find this utility library useful, you can buy me a coffee to keep me energized for creating libraries like this.