greensock/GSAP ? reverse-engineered prompt

I want to create a JavaScript animation library that makes it super easy for developers to build high-performance animations that work on any website. It should be a framework-agnostic toolkit for adding slick, professional motion to any project, whether it's built with React, Vue, or just plain JavaScript. No dependencies needed.

The library should be able to animate almost anything you can think of—CSS properties, SVG shapes, colors, you name it. A key feature should be making it simple to create animations that are triggered as the user scrolls down the page. It should also have powerful add-ons for doing more advanced effects, like morphing one shape into another, animating text letter-by-letter, or moving an element along a custom path. The goal is for it to be incredibly fast and reliable, handling all the browser quirks automatically so animations just work.