How do I set up a TypeScript project with Express?

How do I set up a TypeScript project with Express?

To set up a TypeScript project with Express, first, ensure you have Node.js installed. Then, create a new directory for your project and run npm init -y to initialize a package.json file.

What packages do I need to install?

You need to install Express and TypeScript, along with types for Node and Express. Run npm install express and npm install --save-dev typescript @types/node @types/express.

How do I configure TypeScript for my project?

Create a tsconfig.json file in your project root. You can use npx tsc --init to generate a basic configuration. Make sure to set target to ES6 and module to commonjs.

Can you show me a simple example of an Express route in TypeScript?

Sure! Here's a simple example:

import express from 'express';
const app = express();
app.get('/', (req, res) => {
  res.send('Hello, TypeScript with Express!');
});
app.listen(3000, () => {
  console.log('Server is running on http://localhost:3000');
});