Route for Items in Express Server

index_1.ts

import express from "express";
import { router as item_router } from "./items";

const app = express();
const port = 3000;

app.use("/tdsvc/item", item_router);

app.listen(port, (err?) => {
  if (err) {
    return console.error(err);
  }
  return console.log(`server is listening on port: ${port}`);
});

index_2.ts

import express from "express";
import { router as item_router } from "./items";
import { router as user_router } from "./users";

const app = express();
const port = 3000;

app.use("/tdsvc/item", item_router);
app.use("/tdsvc/user", user_router);

app.listen(port, (err?) => {
  if (err) {
    return console.error(err);
  }
  return console.log(`server is listening on port: ${port}`);
});

items.ts

import express from "express";
export const router = express.Router();

// GET Method
router.get("/:id", (req, res) => {
  res.send(`You are requesting an item with id: ${req.params["id"]}`);
});

// POST Method
router.post("/", (req, res) => {
  res.send(`You are posting an item with params: ${req.params}`);
});

// PUT Method
router.put("/:id", (req, res) => {
  res.send(`You are updating an item with id: ${req.params["id"]}`);
});

updated_index.ts

import express from "express";
import { router as item_router } from "./items";
import { router as user_router } from "./users";

const app = express();
const port = 3000;

// middleware
app.use(express.json()); // Process json body from requests
app.use(express.urlencoded({ extended: true })); // Process urlencoded payloads

app.use("/tdsvc/item", item_router);
app.use("/tdsvc/user", user_router);

app.listen(port, (err?) => {
  if (err) {
    return console.error(err);
  }
  return console.log(`server is listening on port: ${port}`);
});

users.ts

import express from "express";
export const router = express.Router();

// GET Method
router.get("/:id", (req, res) => {
  res.send(`You are requesting an user with id: ${req.params["id"]}`);
});

// POST Method
router.post("/", (req, res) => {
  res.send(`You are posting an user with params: ${req.params}`);
});

// PUT Method
router.put("/:id", (req, res) => {
  console.log(req);
  res.send(`You are updating an user with id: ${req.params["id"]}`);
});