بناء API بـ Express

npm install express

import express from "express";
const app = express();
app.use(express.json());

app.get("/", (req, res) => res.send("API يعمل"));

app.listen(3000, () => console.log("على المنفذ 3000"));

app.get("/users", (req, res) => { /* ... */ });
app.post("/users", (req, res) => { /* ... */ });
app.get("/users/:id", (req, res) => {
  const id = req.params.id;     // معامل المسار
});

app.use((req, res, next) => {
  console.log(`${req.method} ${req.url}`);
  next();      // مرّر للتالي
});

// routes/users.js
const router = express.Router();
router.get("/", listUsers);
router.post("/", createUser);
export default router;

// app.js
app.use("/users", usersRouter);