Splitter jump when start dragging

[lmgonzalves]

🐛 Bug report

In the Splitter component there is a jump when start dragging the resize trigger. See the video below:

splitter-video.mov

Recorded the video directly in the website demo example.

💥 Steps to reproduce

1. Go to https://zagjs.com/components/react/splitter.
2. Drag and drop the resize trigger near to any edge.
3. Start dragging again to see the jump.

💻 Link to reproduction

The issue is easily reproducible in the website and the Stackblitz demo.

🧐 Expected behavior

The drag operations should starts with no jumping.

🧭 Possible Solution

I guess the issue is related with the maths involved in calculating the sizes, but not investigated further so far.

🌍 System information

Software	Version(s)
Zag Version	0.78.3
Browser	Firefox (133.0.3), Chrome (131.0.6778.140)
Operating System	macOS 15.2

📝 Additional information

Thanks and congrats for this awesome project! 🫶