frontend/src/reducers/index.js
import { combineReducers } from 'redux';
import { connectRouter } from 'connected-react-router';
import userReducer from './user';
import contract from './contract';
import record from './record';
import upload from './upload';
import session from './session';
const rootReducer = (history) => combineReducers({
router: connectRouter(history),
user: userReducer,
contract,
record,
upload,
session
}, window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__());
export default rootReducer;