Book: TypeScript Essentials — From Working Developer to Confident TS, Across Node, Bun, Deno, and the Browser

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

It's a familiar tsconfig.json . The project is four years old, it

started on TypeScript 3.x, somebody enabled "strict": false , and

nobody ever flipped the switch. You open the file to fix that, type

"strict": true , save, and the editor reports 4,300 errors. You

revert, commit nothing, and the meeting is back on the calendar for

next quarter.

strict reads like a single dial, but it's eight independent flags

packaged into one shortcut. Most teams treat the shortcut as binary

because the docs lead with it, and that framing turns a one-week

migration into a quarter-long stalemate.

You can flip the eight flags individually.…