Draw your React components, but use them like components coded manually. Already have mockups drawn? Just import them from Sketch or Figma.
This is great news! There is more happening in the Open Source Design scene (although someone would need to pick it up). It seems to be similar like Alva.
It’s licensed under MIT: GitHub - Pagedraw/pagedraw: a UI builder for React web apps
I am trying it out and report back