Lastly, all that is left to do is migrating the App component. Then, our whole ToDo app will have been migrated to React Hooks. Here, we are going to use a Reducer Hook to manage the state, an Effect Hook to fetch todos when the component mounts, and a Memo Hook to store the filtered todos list.

In this section, we are going to do the following:

• Define the actions
• Define the reducers
• Migrate the App component