Functional Packages

Stop throwing errors, and instead return Results!

Composite utilities (immutability, fp helpers)

Simple and complete Svelte testing utilities that encourage good testing practices.

fantasyland compatible extensions

A utility library for JavaScript and Typescript.

Business logic with ease

Lightweight promise/generator machinery.

React Entities - the simplest app state management for React

Utilities for objects. Simple, tasteful and plentiful. Supports inherited properties.

functional composition sugar

A small functional reactive programming lib for JavaScript.

Wrap a function in a function that expects a given number of arguments.

Wrap a function in a function that will invoke the original function when invoked n or more times.

Leadfoot. A JavaScript client library that brings cross-platform consistency to the Selenium WebDriver API.

Async tools - a collection of utility functions for working with async/await code.

React bindings for effector

Assign a value to a property in an Array iterator

Turn non-concurrent FantasyLand Applicatives concurrent

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().

A functional JavaScript library that facilitates currying and point-free programming, with optional lambda expressions.