Another kit along these lines is https://github.com/leoasis/redux-immutable-state-invariant https://github.com/leoasis/redux-immutable-state-invariant While in

Another kit along these lines is https://github.com/leoasis/redux-immutable-state-invariant https://github.com/leoasis/redux-immutable-state-invariant While in development mode it warns of changes to the Redux state, without having to commit to something like Immutable.js.