Have you looked at any of the existing libraries in the ecosystem? There's dozens of tools for generating reusable functions like action creators and reducers [0], managing complex collections [1], and even higher-level abstractions on top of Redux like Kea [2].
Ultimately, you can put as much or as little abstraction on top of Redux as you want.
Ultimately, you can put as much or as little abstraction on top of Redux as you want.
[0] https://github.com/markerikson/redux-ecosystem-links/blob/ma...
[1] https://github.com/markerikson/redux-ecosystem-links/blob/ma...
[2] https://kea.js.org/