fractal-modules-hoc.js

import { combineReducers, createStore } from 'redux';
import { local } from 'redux-fractal';
import R from 'ramda';

const combineModules = modules => {
  return modules.reduce((acc, module) => ({
    reducers: { ...acc.reducers, [module.name]: module.reducer },
    actions: { ...acc.actions, ...module.actions },
  }), { actions: {}, reducers: {} });
};

export default R.curry(config => {
  if (!config.modules || config.modules.length === 0) {
    return local(config);
  }

  const { actions, reducers } = combineModules(config.modules);

  return local({
    createStore: () => createStore(combineReducers(reducers)),
    mapDispatchToProps: dispatch => {
      return R.map(fn => payload => dispatch(fn(payload)), actions);
    },
    ...config,
  });
});
  
// usage
  
localWithModules({
  key: (props) => "keyname"
  modules: [ModuleA, ModuleB],
})(Component)