Node.js + TypeScript

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

[cent@dlp ~]$  mkdir testproject [cent@dlp ~]$  cd testproject # generate package.json [cent@dlp testproject]$  npm init -y Wrote to /home/cent/testproject/package.json: { "name": "testproject", "version": "1.0.0", "description": "", "main": "index.js", "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "keywords": [], "author": "", "license": "ISC" } # install TypeScript [cent@dlp testproject]$  npm install typescript ts-node added 19 packages, and audited 20 packages in 6s found 0 vulnerabilities # install Node.js type declaration file [cent@dlp testproject]$  npm install @types/node up to date, audited 20 packages in 529ms found 0 vulnerabilities # generate tsconfig.json [cent@dlp testproject]$  npx tsc --init --module commonjs Created a new tsconfig.json with: target: es2016 module: commonjs strict: true esModuleInterop: true skipLibCheck: true forceConsistentCasingInFileNames: true You can learn more at https://aka.ms/tsconfig [cent@dlp testproject]$  grep -v -E "^ */|^$" tsconfig.json { "compilerOptions": { "target": "es2016", /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */ "module": "commonjs", /* Specify what module code is generated. */ "esModuleInterop": true, /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */ "forceConsistentCasingInFileNames": true, /* Ensure that casing is correct in imports. */ "strict": true, /* Enable all strict type-checking options. */ "skipLibCheck": true /* Skip type checking all .d.ts files. */ } } # create a test app [cent@dlp testproject]$  mkdir src [cent@dlp testproject]$  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}`); [cent@dlp testproject]$  ./node_modules/.bin/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.