PureScript

A strongly-typed functional programming language that compiles to JavaScript

Compile to readable JavaScript and reuse existing JavaScript code easily
An extensive collection of libraries for development of web applications, web servers, apps and more
Excellent tooling and editor support with instant rebuilds
An active community with many learning resources
Build real-world applications using functional techniques and expressive types, such as:
- Algebraic data types and pattern matching
- Row polymorphism and extensible records
- Higher kinded types
- Type classes with functional dependencies
- Higher-rank polymorphism

import Prelude
import Effect.Console (log)

greet :: String -> String
greet name = "Hello, " <> name <> "!"

main = log (greet "World")

Precompiled binaries are available for OSX, Linux, and Windows from the latest release page on GitHub.

npm install -g purescript

(Installation via npm requires Node version 8 or later)

The recommended build tool for PureScript is Spago, which can be installed using npm:

npm install -g spago

You might like to install some of these additional tools and editor plugins.

NPM is recommended for managing JavaScript dependencies in your project.