Colin McDonnell

TypeScript-first schema validation with static type inference

Import .sql files into TypeScript with full type inference and zero codegen.

An opinionated agent command center for extreme productivity. Runs on localhost.

Recursive inference fixture — the same miniature schema library written two ways

🐒 Bundler-free build tool for TypeScript libraries. Powered by tsc.

Import data files from TypeScript, fully typed. Powered by TypeScript 7.1 content mappers.

Strategies for live-updating TypeScript types in monorepos

Test your types

A zero-config normalized cache for MobX

An Next.js example repo for building authenticated pages with Firebase Authentication, cookies, and getServerSideProps

A demonstration of how to use React Router inside Next.js

A starter kit for building TypeScript content mappers (requires v7.1+). Write once, works anywhere: TypeScript, Node.js, Vite, Next.js, esbuild, and more.

Command-line tool to migrate React to Preact

A WYSIWYG editor for terminal screenshots

Find paths through your data in a type-safe way

Utility-first CSS-in-JS styling library for maniacs

Graphical dynamic knowledge repository platform

Realtime Thoughtstreaming app with Meteor and Ionic

Minimal reproduction: Next.js corrupts a repeated --require in NODE_OPTIONS when forking workers

Source-built benchmark reproduction for Hono response header copying

Localized error maps for Zod

A scraper deployed to the Google App Engine that scrapes all soon-to-end Kickstarter projects every 10 minutes and stores relevant data in a Parse database.

The most interesting projects/labs done in my courses thus far

Set of scripts I use to perform various tasks.

Skills project