Functional programming Packages

Babel plugin to allow lazy expressions by implicit arrow functions via ~ operator

Tiny goodies for Continuation-Passing-Style functions

Cucumber.js with functional programming-style step definitions

Map and filter that handle async functions, sequentially or in parallel.

Utilities for defining tagged sum types and pattern matching in TypeScript

Functional programming helpers for JavaScript.

A collection of composable reduction operations for arbitrary streams of values

The hassle-free way to apply functional programming principles in JavaScript

FP library for JavaScript. Supports named-argument style methods.

Types and type-safe functions for JSON.

A package to help turn class-based libraries into functional ones.

ESLint and Prettier configs designed to encourage elm-like patterns in js and react native environments.

Falsy helper functions and types for TypeScript.

Predicate helper functions and types for TypeScript.

React helpers for better LiveScript development

A lightweight, and docile, JavaScript library to help embracing functional programming.

Babel plugin to compose functions with piping using the & operator

Provides a few wrappers around Joi's validate(), attempt() and assert() functions with their arguments re-ordered for easier currying / partial application

An implementation of the maybe monad

Functional DOM grokking with CSS style selectors