I was working on the same exact thing in the latest days. In my opinion the transition stroke-dashoffset is too performance hungry to be really usable. I ended

I was working on the same exact thing in the latest days. In my opinion the transition stroke-dashoffset is too performance hungry to be really usable. I ended up throwing away my svg implementation to redo it in canvas. If you're going stateful to handle timers remember to use requestAnimationFrame