wrapping-errors.js

class UserServiceError extends Error {
    constructor(...args) {
        super(...args);
        this.code = 'ERR_USER_SERVICE';
        this.name = 'UserServiceError';
        this.stack = `${this.message}\n${new Error().stack}`;
    }
}

class InvalidInputError extends Error {
    constructor(...args) {
        super(...args);
        this.code = 'ERR_INVALID_INPUT';
        this.name = 'InvalidInputError';
        this.stack = `${this.message}\n${new Error().stack}`;
    }
}

async function getUser(userId) {
    if (!userId) throw new InvalidInputError('userId is not provided');
    
    try {
        return getUserFromApi(userId);
    } catch (err) {
        throw new UserServiceError(err.message);
    }
}