unique-login-credential

NPM

A robust, type-safe library to generate unique passwords and usernames.

npm install unique-login-credential

uniquePassword(options)

Generates a unique password based on the provided configuration. You can specify exactly how many of each character type you want in the final output.

Property	Type	Default	Description
length	number	8	Total length of the password.
capitalLetter	number	1	Minimum number of uppercase letters (A-Z).
smallLetter	number	3	Minimum number of lowercase letters (a-z).
number	number	2	Minimum number of digits (0-9).
specialCharacter	number	2	Minimum number of special characters (!@#$_*).
random	boolean	false	Whether to thoroughly shuffle the final output string.

import { uniquePassword } from 'unique-login-credential';

// Default configuration
const defaultPwd = uniquePassword();
console.log(defaultPwd);

// Custom configuration
const customPwd = uniquePassword({
  length: 12,
  capitalLetter: 2,
  specialCharacter: 1,
  random: true
});
console.log(customPwd);

uniqueUsername(options)

Combines a user-defined prefix with a randomized alphanumeric suffix according to the supplied configuration.

Property	Type	Default	Description
prefix	string	""	The fixed string to prepend to the generated username.
length	number	6	Total length of the username (including prefix).
Also accepts all configuration options from uniquePassword (capitalLetter, smallLetter, etc.)

import { uniqueUsername } from 'unique-login-credential';

// Using a prefix
const user1 = uniqueUsername({
  prefix: "admin_",
  length: 12,
  random: true
});
console.log(user1); // e.g. "admin_2hA9k"