gen-otp-secure

OTP Generator (gen-otp-secure)

Features

• OTP Generation
• User Authentication
• Customizable OTP Settings
• Configurable Length
• Configurable Character Sets (Digits, Lowercase Letters, Uppercase Letters, Special Characters)

Installation

npm install gen-otp-secure

Usage

Default

const { generateOTP } = require('gen-otp-secure');

const otp = generateOTP();
console.log('Generated OTP:', otp); // output : Generated OTP: abX3j9k

Custom OTP Generator (Length Base)

const otp = generateOTP(8);
console.log('Generated OTP:', otp); // output : Generated OTP: A4z#J2L9K5

Custom OTP Generator (Length Base, Digits Base, Case Alphabets Wise, specialChars Wise)

const otp = generateOTP(10, {
    digits: true,
    lowerCaseAlphabets: true,
    upperCaseAlphabets: true,
    specialChars: true
});
console.log('Generated OTP:', otp); // output : Generated OTP: A4z#J2L9K5

Manage ERROR

try {
    const otp = generateOTP(6, { digits: false, lowerCaseAlphabets: false });
    console.log('Generated OTP:', otp);
} catch (error) {
    console.error('Error:', error.message);
}
// Error: At least one character type (digits, letters, or special chars) must be enabled.

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