- npm init -y
- npm i @babel/core @babel/node --save-dev
- npm i @babel/preset-env --save-dev
- create '.babelrc.json' config that only applies to a single part of a project in root next to package.json containing:
{ "presets": [["@babel/preset-env"]] } - alternative is to use babel.config.json
- add to package.json:
"scripts": { "start": "babel-node index.js" - run
npm startin terminal