@advaita-labs/first_npm_package/index.js

Trying first npm package

function fullName(firstName, lastName) {
    if(!firstName || !lastName) {
        throw new Error("Both firstName and lastName are required");
    }
    return `${firstName} ${lastName}`;
}

function nameWithMiddle(firstName, middleName, lastName) {
    if(!firstName || !lastName) {
        throw new Error("Both firstName and lastName are required");
    }
    return `${firstName} ${middleName ? middleName + ' ' : ''}${lastName}`;
}


export { fullName, nameWithMiddle };