The class Components were not very reusable, and they were lacking a sense of interchangeability. It will be ideal to use move away from class components and start using function components. refer to this post
Since the introduction of hooks in React, you can have state in a function component (cf. useState).
According to React 16.x roadmap post, it might be a good move to slowly transition class components to function components:
Hooks don’t deprecate classes. However, if Hooks are successful, it is possible that in a future major release class support might move to a separate package, reducing the default bundle size of React.
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