Book: TypeScript in Production — Tooling, Build, and Library Authoring Across Runtimes

Also by me: The TypeScript Library — the 5-book collection

My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools

Me: xgabriel.com | GitHub

You sit down on a Sunday afternoon to publish a small TypeScript

helper. Two hundred lines of code, one dependency, four exports.

You want it on a registry by dinner.

Three hours later you have a tsup config, a package.json with

fifteen fields, an exports map you copied from a Stack Overflow

answer, a .d.ts rollup that still emits the wrong path on Bun,

two GitHub Actions secrets, and a CHANGELOG you swore you would

write later. The actual library is still two hundred lines.

That is the npm tax. It comes from a registry built for

CommonJS in 2010 absorbing ESM, types, dual exports, and ten

runtime targets on top.…