purescript ☆

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Description:
Strongly typed programming language that compiles to JavaScript

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | @purescript | formulae.brew.sh

Category: Developer tools

Tags: purescript functional-programming typescript javascript compiler typed-language

Install: brew install purescript

About:
PureScript is a strongly-typed, purely functional programming language that compiles to JavaScript. It features a powerful type system with type inference and expressive algebraic data types. The language enables developers to write robust, maintainable frontend and backend code with minimal runtime overhead.

Key Features:

Powerful type system with type inference
Compiles to readable, efficient JavaScript
Extensible records and row types
Rich ecosystem with package manager and build tools
Purely functional with no runtime exceptions

Use Cases:

Building type-safe web applications and React components
Developing Node.js backend services with compile-time guarantees
Creating libraries for JavaScript ecosystems
Learning functional programming concepts

Alternatives:

TypeScript – TypeScript adds types to JavaScript, while PureScript is a purely functional language with stronger type guarantees
Elm – Elm focuses on frontend with a simpler type system; PureScript offers more advanced type features and flexibility
Haskell – Haskell runs on its own runtime; PureScript targets JavaScript for web and Node.js environments

Version History

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