Classic (Double 6) and Mexican Train dominoes (Double 9/12/15/18) — headless rules, AI, and layout/geometry core. React components live in double-eighteen-react.

React components for double-eighteen — dominoes, trains, and the Mexican Train hub, Classic Spinner. Headless rules/AI/layout live in the double-eighteen package.

Federation-styled domino theme presets for Warp — Interstellar Dominoes visual styling for DoubleEighteen across all Warp factors

React adapters for Warp — state to trains, tactical coach, and hand layout for multi-trail Interstellar Dominoes (Warp 9/12/15/18)

Pass in either 18 digit or 15 digit Salesforce id and get back the 18 digit id

Warp game engine — rules, state machine, and AI for multi-trail Interstellar Dominoes across Warp factors 9/12/15/18 (double-N sets). Warp 12 is the only IWGF-rated variant.

Use double-position gradients in CSS

Support for representing 64-bit integers in JavaScript

Parse JSON with more helpful errors

return the github url from a package.json file

A cooperative anti-drift harness for Codex vibe coding

A simple in-memory filesystem. Holds data in a javascript object.

extend like a boss

Callback wrapping utility

The fastest javascript implementation of a double-ended queue. Used by the official Redis, MongoDB, MariaDB & MySQL libraries for Node.js and many other libraries. Maintains compatability with deque.

Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.

This is a polyfill for Buffer#indexOf introduced in NodeJS 4.0.

A very simple and stupid parser, based on a statemachine and regular expressions.

Timing safe string compare using double HMAC

CSS box-shadow parser and stringifier