Init NPM

npm init -y
git init

Further setup

npm i typescript express @types/express eslint

Init TS

npx tsc --init

Configure project

tsconfig.ts

{ declaration: true, outDir: './dist' }

package.json

Make sure name is not available at https://www.npmjs.com/

{
  "name": "npm-publish-training-app",
  "publishConfig": {
    "access": "public"
  },
  "files": [
    "./dist"
  ],
  "bin": "./dist/index.js",
  "scripts": {
    "build": "tsc",
    "prepublishOnly": "npm run build"
  },
}

#!/user/bin/env node - added to index.ts allows to execute directly instead of project/dist/node index.js

Split dependencies and devDependencies

Publish to NPM

  npm login
  npm publish