nic-no-sri-lanka/index.js

This module is for getting information about a person using a NIC number in Sri Lanka

const validateNumber = (nicNumber) => {
    if (nicNumber.toString().length == 12) {
        return "New NIC Number\nThe NIC number is validated!";
    }
    else if (nicNumber.toString().length == 10) {
        return "Old NIC Number\nThe NIC number is validated!";
    }
    else {
        return "Invalid NIC Number";
    }
}

const getBirthYear = (nicNumber) => {
    if (nicNumber.toString().length == 12) {
        return "Birth Year is " + nicNumber.toString().charAt(0) + nicNumber.toString().charAt(1) + nicNumber.toString().charAt(2) + nicNumber.toString().charAt(3);
    }
    else if (nicNumber.toString().length == 10) {
        return "Birth Year is 19" + nicNumber.toString().charAt(0) + nicNumber.toString().charAt(1);
    }
    else {
        return "Invalid NIC Number";
    }
}

const getGender = (nicNumber) => {
    if (nicNumber.toString().length == 12) {
        const genNumber = nicNumber.toString().substring(4, 7)
        if (genNumber < 500) {
            return "This is a male person";
        }
        else if (genNumber > 500) {
            return "This is a female person";
        }
    }
    else if (nicNumber.toString().length == 10) {
        const genNumber = nicNumber.toString().substring(2, 5)
        if (genNumber < 500) {
            return "This is a male person";
        }
        else if (genNumber > 500) {
            return "This is a female person";
        }
    }
    else {
        return "Invalid NIC Number";
    }
}


module.exports = { validateNumber, getBirthYear, getGender }