json-server.js

const jsonServer = require('json-server');
const server = jsonServer.create();
const router = jsonServer.router('db.json');
const middlewares = jsonServer.defaults();

server.use(middlewares);
server.use(jsonServer.bodyParser);
router.render = (req, res) => {
  if (req.method === 'GET') {
    const paths = req._parsedUrl.pathname.split('/').filter(path => Boolean(path));
    if (paths.length === 1) {
      const [resource] = paths;

      res.json({
        data: res.locals.data,
        meta: {
          total: router.db.get(resource).value().length,
        },
      });
      return;
    }
  }

  res.json(res.locals.data);
}

server.use(router)
server.listen(5000, () => {
  console.log('JSON Server is running at port: 5000')
})