How do you implement code-splitting in a React application?

React, as a library, provides us with a seamless approach to implement code-splitting through the React.lazy() function and Suspense component. Let me walk you through how I have effectively utilized these tools in my projects to improve app performance, which can easily be adapted by other candidates for similar roles.

Firstly, React.lazy() enables us to render a dynamic import as a regular component. It's an elegant solution for splitting code at a component level. For instance, if there's a heavy component that is not essential for the initial page load, I use React.lazy() to load that component only when it's needed. Here's a simplified example:...