refactor.js

export async function addVehicle(userId, vehicle) {
  const data = await api.addVehicle(userId, vehicle, axios);
  return dispatch({type: types.ADD_VEHICLE, data: {vehicle: data.data.addVehicle}});
}

export async function updateVehicle(vehicle, index) {
  const data = api.updateVehicle(vehicle, axios);
  return dispatch({type:types.UPDATE_VEHICLE, data: {vehicle: data.data.updateVehicle, index}})
}

function dispatch({type, data = {}}) {
  if (data.errors) {
   return Promise.reject(data.errors);
  }
  store.dispatch({
    type,
    ...data
  })
  return Promise.resolve(data)
}