Partial reducers

partial-reducers.js

// my-reducer.js
function myReducer(plugins, state, action) {
  // ...
}

// reducers.js
import { myReducer } from './my-reducer';

export const reducers = {
  myReducers,
};

registerReducers(reducers);

//
// plugins/register-reducer.js
//
import { partial } from 'lodash';

let reducers;
export function registerReducer(rawReducers) {
  reducers = rawReducers;
}

export function setUpReducers({ constants, actionCreators }) {
  const reducerPartials = {};

  Object.keys(reducers).forEach((key) => {
    reducerPartials[key] = partial({ constants, actionCreators });
  });

  return combineReducers(reducerPartials);
}