The bsb binary includes a project generator. We'll use it to create a pure Reason project using the basic-reason theme. Run bsb -themes to see all available project templates:

Available themes: 
basic
basic-reason
generator
minimal
node
react
react-lite
tea

Since BuckleScript works with both OCaml and Reason, some themes are only for OCaml projects. That being said, feel free to mix OCaml's .ml files with Reason's .re files within any BuckleScript project.

In this chapter, we'll focus on using the basic-reason and react templates. If you're curious, the react-lite theme is like the react one, except webpack is replaced with a simpler, faster, and more reliable module bundler that is intended only for development purposes.

Let's first create a pure Reason project:

bsb -init my-first-app -theme basic-reason
cd my-first-app

When...