Functional programming Packages

Iteratee-first data-last null-safe immutable.js curried functions

Hardcore ESLint Shareable Config for functional programming

Ufunc is a set of JavaScript functional methods

** TODO ** add the observables transducers and a few notes about it and the fork

Helps you create value objects and refined types for safer software

Generic functions (multi-argument dispatch) for JavaScript.

Svizzle Geo contains geography related helpers.

Svizzle Geometry contains geometry related helpers.

Functional tools for javascript development

Type safe Option and Result from the Rust programming language.

Fast modern reactive Javascript programming library.

Support functions and data-structures from the Mostly Adequate Guide to Functional Programming

Composable value-yielding middleware creator and combinators for Express.

Haskell Prelude (and more) for JavaScript

Conditional expressions with Option support.

Fat Arrow is a library for Typed Functional Programming in TypeScript compatible with Node.js and all major browsers.

A monad helper library

A small library for creating pipelines in JavaScript. This mimics the pipe operator in other functional languages such as Elixir.

Either monad implementation.

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