# Surplus Compiler This is the base Surplus compiler transformer logic, and a basic CLI utility called `surplus-transform`. > **NOTE:** This is only the compiler; it does not include the > [runtime](https://github.com/surplus/surplus/blob/master/rt). ## Rust Usage Check the docs. For now, running `cargo doc --open` is the best way. For the CLI utility, run `cargo run -- --help` for usage. ## Javascript Usage ```sh npm install @surplus/compiler ``` The compiler is usable via a WASM module. > **NOTE:** The JavaScript package and the Rust crate do not necessarily > share the same version numbers. To the extent possible, major and minors > will remain synchronized. ```javascript import compileSurplus from '@surplus/compiler'; console.log( compileSurplus( `