This package exports a few of the CSS variables that we use in Facebook projects. This is not the full list we have internally but focused on making available the minimum set needed by our open source projects.
A collection of utility libraries used by other Facebook JS projects
React Flow - A highly customizable React library for building node-based editors and interactive flow charts.
GitHub OAuth Device authentication strategy for JavaScript
Search CSS(-like) strings
Removes Flow type annotations from JavaScript files with speed and simplicity.
Logical, flow-ralative conversion for CSS in JS objects
PM2.io API Client for Javascript
Check your files for the presence of the `@flow` and `@flow weak` annotations
CSS modules support for TypeScript
Standalone MCP (Model Context Protocol) server - stdio/http/websocket transports, connection pooling, tool registry
Self-Optimizing Neural Architecture (SONA) for Claude Flow — adaptive learning, trajectory tracking, pattern reuse, 7 RL algorithms (PPO/A2C/DQN/Q-Learning/SARSA/Decision Transformer/Curiosity), Flash Attention, MoE routing, LoRA, EWC++ for continual lear
Reduce z-index values with PostCSS.
`@open-mercato/checkout` provides the `checkout` module for standalone pay links and the Phase A public payment flow.
A CSS parser, transformer, and minifier written in Rust
A loader-agnostic CSS Modules implementation, based on PostCSS
A Less loader for webpack. Compiles Less to CSS.
Babel preset used by Create React App
Reduce custom identifiers with PostCSS.
The ultimate product tour library for Next.js
Binary wrapper for Flow - A static type checker for JavaScript
The official JavaScript SDK for the Persona Inquiry Flow.
A highly customizable React library for building node-based editors and interactive flow charts
A cross-browser CSS foundation