zerobias/ties

Library for creating tagged constructors.

A practical functional library for JavaScript programmers.

TypeScript definitions for jest

Custom parser for ESLint

Run scripts that set and use environment variables across platforms

an eslint rule plugin companion to babel-eslint

Flowtype linting rules for ESLint.

ESLint rules for Jest

fs-extra contains methods that aren't included in the vanilla Node.js fs package. Such as recursive mkdir, copy, and remove.

Delightful JavaScript Testing.

A deep deletion module for node (like `rm -rf`)

A suite of libraries for generic functional programming in JavaScript that allows you to write elegant modular applications with fewer bugs and more reuse.

Fantasy land union types with pattern matching

Partial lenses is a comprehensive, high-performance optics library for JavaScript

Removes closures from your JavaScript in the name of performance.