Node.js + TypeScript2025/09/12

	Configure TypeScript environment on Node.js.
[1]	Install Node.js, refer to here.
[2]	Create a test project with TypeScript as a common user.

debian@dlp:~$

mkdir testproject4

debian@dlp:~$

cd testproject4

# generate package.json

debian@dlp:~/testproject4$

npm init -y

Wrote to /home/debian/testproject4/package.json:

{
  "name": "testproject4",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [],
  "author": "",
  "license": "ISC"
}

# install TypeScript

debian@dlp:~/testproject4$

npm install typescript ts-node @types/node

added 20 packages, and audited 21 packages in 751ms

found 0 vulnerabilities

# create tsconfig.json

debian@dlp:~/testproject4$ cat > tsconfig.json <<EOF
{
  "compilerOptions": {
    "target": "esnext",
    "module": "nodenext",
    "esModuleInterop": true,
    "forceConsistentCasingInFileNames": true,
    "strict": true
  }
}
EOF

# create a test app

debian@dlp:~/testproject4$

mkdir src

debian@dlp:~/testproject4$

vi src/test-app.ts

import * as http from "http";
import * as os from 'os';

const hostname = os.hostname();
const port = 3000;
const server = http.createServer((req, res) =>
  {
    res.write("Hello TypeScript World on Node.js!\n");
    res.end();
  }
);
server.listen(port);
console.log(`http://${hostname}:${port}`);

debian@dlp:~/testproject4$

vi package.json

"scripts": {
    # change
    "start": "ts-node src/test-app.ts"

debian@dlp:~/testproject4$

npm run start

> testproject4@1.0.0 start
> ts-node src/test-app.ts

http://dlp.srv.world:3000

Access to the URL that is shown on the console above from any client computer, and then that's OK if following app is shown.

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