Functional Programming

ESLint rules for controlling where and how mutation is used.

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

Functional reactive programming for JavaScript and CoffeeScript.

Functional reactive programming in JavaScript and CoffeeScript.

True functional reactive programming for JavaScript.

Functional programming helpers for JavaScript

Reactive programming with lean, functions-only, curried, tree-shakeable API

Sub-package of Funfix exposing primitive interfaces and data types belonging into a standard library

Reactive programming with lean, functions-only, curried, tree-shakeable API

[](https://www.npmjs.com/package/funland) [](https://gitter.im/funfix/funfix?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)

Sub-package of Funfix defining type classes inspired by Haskell's standard library and by Typelevel Cats

A type-safe routing library for TypeScript

Fast cartesian product

TypeScript DI helper for functional programming

React state management with a minimal API. Made with ES6 Proxies.

Helper functions to interoperate between the Effect framework and the fp-ts library

AOP(aspect-oriented programming) library or creating hooks for debug and monkey patch function using ES6 Proxy|Class Prototype.

Some common prototypes for node.js: string.startsWith(), object.countProperties() and more. Facilities for functional programming with objects: object.forEach(), object.filter(). Functions are added safely using Object.defineProperty().

Enhance value with plain and explicit reactive wrapper. Think of it as hook-style signals.

Function sequencing reloaded

String parser combinators for TypeScript

Helpful functions built on top of the mighty Ramda

Helper functions to make old web3.js programs compatible with web3.js-next modules

QuickCheck for JavaScript

Opinionated, transactional, MobX powered state container

Functional programming experimentation

sflow is a powerful and highly-extensible library designed for processing and manipulating streams of data effortlessly. Inspired by the functional programming paradigm, it provides a rich set of utilities for transforming streams, including chunking, fil

Safe, ergonomic, non-generic sum types in TypeScript.

Ella is a utility-belt library for JavaScript that provides general purpose methods used in day to day programming.

Functional Programming for Pragmatists

Functional programming in TypeScript

Functional programming in TypeScript

A typescript functional programming library

Bring functional reactive programming to Redux using Cycle.js

Type safe middleware architecture for HTTP servers

A collection of composable reduction operations for arbitrary streams of values

The less is more, modular, functional reactive programming library

LiveScript is a language which compiles to JavaScript. It has a straightforward mapping to JavaScript and allows you to write expressive code devoid of repetitive boilerplate. While LiveScript adds many features to assist in functional style programming,

A powerful and extensible schema builder

Type-Friendly middleware library

try catch wrapper for functional typescript programming

Module implementing functional programming with functions called functors. For details see: https://marmelab.com/blog/2018/03/14/functional-programming-1-unit-of-code.html

A type-friendly BFF framework

React state management with a minimal API. Made with ES6 Proxies.

A simple function for interrupting program flow if a condition isn’t met.

Cartesian product for big inputs

🤖 Repeat tests. Repeat tests. Repeat tests.

An fp-ts library to make it easy to work with fetch requests.

ESLint rules for functional programming