Vtk.js for web visualization

I recently saw https://kitware.github.io/itk-vtk-viewer/
ITK/VTK Image Viewer is a Web based viewer for loading 2D/3D images and more…

Looks like there has been activity in writing VTK files with Julia, but it stalled a year ago. Is the philosophy that native Julia tools are or will be developed for web front ends?
I must say that this example looks pretty slick:

View in a recent Firefox, Chrome or Safari browser.

Latest release (3 days old) passes tests on Julia v1.0.