Babel command line.

In addition, various entry point scripts live in the top-level package at @babel/cli/bin.

There is a shell-executable utility script, babel-external-helpers.js, and the main Babel cli script, babel.js.

npm install --save-dev @babel/core @babel/cli

babel script.js

For more in depth documentation see: http://babeljs.io/docs/usage/cli/