Router & Controller

최초 Router : import ... from '...'

--- server.js ---

import express from 'express';
import rootRouter from './routers/rootRouter';

app.use('/', rootRouter);
app.use('/customers', customerRouter);

중간 Router : export default ...

--- routers/rootRouter.js ---

import express from 'express';
import { home } from '../controllers/rootController';

const rootRouter = express.Router();

rootRouter.get('/', home);

export default rootRouter;

마지막 Controller : export const home = ...

--- controllers/rootContrller.js

export const home = (req, res) => {
  res.send(`<h1>Home</h1>`);
};