reducers.js

export {default as updateInput} from "./updateInput"
export {default as submitAccount} from "./submitAccount"

redux.js

import {createStore} from "redux"
import reducers from "./reducers"

export default createStore(
  (state, action) => reactions[action.type](state, action),
  {}
)

submitAccount.js

export default function submitAccount (state, action) {
  return state
}

updateInput.js

import mergeLeftDeep from "@unction/mergeleftdeep"

export default function updateInput (state, action) {
  return mergeLeftDeep(
    state,
    {
      forms: {
       [action.payload.form]: {
         fields: {
           [action.payload.field]: action.payload.value
         }
       }
    }
  )
}