Unbeknownst to many, the new isolatedDeclaration feature shipped in TypeScript 5.5 is much more important than you might realize. It just revolutionized how we package and distribute JavaScript code. You don't need to create *.d.ts files manually anymore by invoking the tsc compiler. "Go to source" (the thing when you do ctrl+click or cmd+click on macOS) actually works now and it leads you right t
![Speeding up the JavaScript ecosystem - Isolated Declarations](https://cdn-ak-scissors.b.st-hatena.com/image/square/66bd91b484490843d6d19227fddc6a4df07d9b6d/height=288;version=1;width=512/https%3A%2F%2Fmarvinh.dev%2Fmedia%2Fme-twitter.jpg)