ts project

exemple.ts

const x = 10;
const y = 20;

function add(x: number, y: number): number {
  return x + y;
}

console.log(add(x, y));

main.ts

import express from "express";

const app = express();

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

app.listen(3000, () => console.log("Serveur démarré"));

package.json

{
  "name": "nodemon_ts",
  "version": "1.0.0",
  "description": "TS + express project",
  "scripts": {
    "start": "nodemon --watch src -e ts --exec ts-node src/main.ts",
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "express": "^4.18.2",
    "ts-node": "^10.9.1"
  },
  "devDependencies": {
    "@types/express": "^4.17.17",
    "nodemon": "^2.0.21"
  }
}