useSomeHook.js

import { useReducer } from 'react'

const initialState = {
  //
}

const reducer = (state, action) => {
  switch (action.type) {
    default:
      return state
  }
}

const useSomeHook = () => {
  const [state, dispatch] = useReducer(reducer, initialState)
  return {
    ...state,
  }
}

export default useSomeHook