ArticleZip > Exporting React Component With Multiple Hoc Wrappers

Exporting React Component With Multiple Hoc Wrappers

When working on a React project, you may come across a situation where you need to export a component that has multiple Higher Order Component (HOC) wrappers applied to it. This scenario might seem a bit tricky at first, but fear not, as we'll walk you through the process step by step.

Let's start by understanding what HOCs are and why they are valuable in React development. Higher Order Components are functions that take a component and return a new component with enhanced functionality. They are commonly used for code reuse, logic abstraction, and state manipulation in React applications.

Now, imagine you have a React component that you want to enhance with multiple HOCs before exporting it for use in other parts of your application. To achieve this, you can simply chain the HOCs together when exporting the component.

Jsx

// MyComponent.js

import React from 'react';
import hoc1 from './hoc1';
import hoc2 from './hoc2';

const EnhancedComponent = hoc2(hoc1(MyComponent));

export default EnhancedComponent;

In this example, 'MyComponent' is wrapped first with 'hoc1' and then with 'hoc2'. The resulting component, 'EnhancedComponent,' is what gets exported for use elsewhere in your application.

It's important to note the order in which you apply the HOCs. The rightmost HOC in the chain (in this case, 'hoc2') will be the first one to receive the base component. The output of 'hoc2' will then be passed as input to 'hoc1,' and so on.

By chaining multiple HOCs in this way, you can combine their functionalities to create a powerful, enhanced component without cluttering your code with unnecessary logic. This approach keeps your components clean and focused while allowing for flexibility in adding or removing enhancements as needed.

When dealing with multiple HOCs, it's also a good practice to compose them using the compose function from the 'recompose' library. Compose simplifies the process of chaining HOCs and makes your code more readable.

Jsx

// MyComponent.js

import React from 'react';
import { compose } from 'recompose';
import hoc1 from './hoc1';
import hoc2 from './hoc2';

const EnhancedComponent = compose(
  hoc2,
  hoc1
)(MyComponent);

export default EnhancedComponent;

In this revised example, the compose function from 'recompose' allows you to list the HOCs in the order you want to apply them, making it easier to manage the composition of your components.

By following these steps and understanding the principles behind composing HOCs, you can efficiently export React components with multiple HOC wrappers. This approach not only streamlines your code but also empowers you to create modular, reusable components in your React projects.

Related posts:

×