srp.js

// SINGLE RESPONSIBILITY PRINCIPLE
class User {
    constructor(name) {
        this.name = name;
    }

    getName() {
        return this.name;
    }

    displayUserInfo() {
        console.log(`User name is ${this.name}`);
    }
}
class UserRepository {
    constructor(user) {
        this.user = user;
    }
    saveUserDetails() {
        db.save(this.user);
    }
}
class Email {
    sendEmail(user) {
        console.log(`Email sent to ${user.name}`);
    }
}
const user = new User('John');
const userRepository = new UserRepository(user);
userRepository.saveUserDetails();