The decision to convert functional JavaScript code to an object-oriented design depends on several factors, such as the size and complexity of your codebase, the scalability requirements of your application, and your team’s familiarity with object-oriented programming concepts.

Object-oriented programming (OOP) provides several benefits over functional programming, such as encapsulation, inheritance, and polymorphism, which can help to make your code more modular, reusable, and maintainable. OOP can also make it easier to write scalable applications by providing a clear separation of concerns and reducing code duplication.

However, converting functional JavaScript code to an object-oriented design can be time-consuming and may not be necessary for smaller applications. If your codebase is small and does not require complex data structures or inheritance, then sticking with functional programming may be the best option.

Additionally, it’s important to consider the skill level of your development team. If your team is not familiar with object-oriented programming concepts, then the learning curve could be steep, and it may not be worth the effort to convert your codebase.

In summary, whether or not it’s worth converting functional JavaScript code to an object-oriented design depends on several factors, such as the size and complexity of your codebase, the scalability requirements of your application, and your team’s familiarity with OOP concepts. It’s important to weigh the benefits and costs of making such a conversion before making a decision.

Is there a library to use?

there are several libraries available for object-oriented programming in JavaScript. Here are a few popular ones:

1. ES6 Classes: ECMAScript 6 introduced the class keyword to create classes in JavaScript. ES6 classes provide a way to define a class using a syntax that is similar to traditional class-based object-oriented languages like Java or C#. ES6 classes can be used to create objects with properties and methods, and can also be extended to create subclasses.

2. Prototype-based libraries: JavaScript is a prototype-based language, which means that objects can inherit properties and methods from other objects. There are several libraries available that provide utilities for working with prototypes, such as Prototype.js, MooTools, and Dojo.

3. Functional programming libraries: Functional programming is another programming paradigm that is popular in JavaScript. Functional programming libraries like Underscore.js and Lodash provide utilities for working with functional programming concepts like higher-order functions, currying, and composition.

4. Object-oriented libraries: There are several libraries available that provide a more traditional class-based object-oriented programming experience in JavaScript. Some popular ones are Backbone.js, Ember.js, and React.

When choosing a library for object-oriented programming in JavaScript, it’s important to consider the specific needs of your project, as well as the skill level of your development team. It’s also worth considering the size and complexity of the library itself, as larger libraries may introduce additional overhead or complexity.