Pattern Matching for Javascript

TSLint rules to disable mutation in TypeScript.

State management for React

a Hypermedia Function

Don't Fear the Profunctor Optics!

Docile keeps your Ruby DSLs tame and well-behaved

Functional programming, immutable collections and FP constructs for typescript and javascript

A MobX powered state management solution based on data trees with first class support for Typescript, support for snapshots, patches and much more

ESLint rules to disable mutation and promote fp in JavaScript and TypeScript.

⚡️ λ PHP functional library focused on simplicity and performance

Generic, Null-safe, Immutable Collections and Functional Transformations for the JVM

Immutable Package Manager

Predictable state container for React apps written using Hooks

A predictable & observable state container for React apps

A tiny immutable store with type safety.

an implementation of redux written in dart that enforces immutability

The Chaos Programming Language

An immutability helper for Go

The place where PHP meets Functional Programming

Lasca is Scala shifted towards Haskell.

The library extends the kolodny/immutability-helper to support update data by path string, like the get/set in lodash.

Built_redux provider for Flutter.

Create "immutable" objects with no setters, just getters.

C# immutable records generator

👊 Immutable cursors incorporating the Immutable.js interface over a Clojure-inspired atom

📚Write safer TypeScript using Maybe, List, Result, and Either monads.

ftor enables ML-like type-directed, functional programming with Javascript including reasonable debugging.

Tuples and value objects for JavaScript 🤷

A simple functional programming library for PHP