React Hook for state management with profunctor lenses

🔭 Lenses, Prisms and Traversals in JavaScript!

Composable and decomposable reactive state with lenses and Kefir

Functional lenses in JavaScript

Utilities for generic functional programming

Utilities for working with Karet

PWA for managing budget on a monthly basis.

A small (2Kb zipped minified) tree-shakeable functional library to manipulate generic rose (a.k.a multi-way) trees

Estates is a library for first-class state and observable properties

Simple example implementation of form validation with Calmm

Select and update your store with lenses

Full-frame E-mount lenses catalog.

Slides for my Lambda World Cádiz 2018 talk 𝝺🌍

Apply a redux reducer and an action at the specified path of your application state tree (i.e. redux store).

Calmm.js Photo Gallery with Contentful integration

2D Web demo for simulating optical systems, written in JS

An attempt at a sane alternative viewer for Kantai Collection (艦隊これくしょん)

A micro library for safe and immutable redux state

Collection of my Snapchat Lenses

Generate Javascript and Node lenses and helpers from JSON Schema files