Tree-shaking improvement #1865
Description
We have an app that uses vtk.js to render meshes and the bundle is produced by webpack, the analyze shows that some pieces of vtk.js are included in the bundle even if they are not used or called in the app.
So basically OpenGL/RenderWindow calls OpenGL/ViewNodeFactory which instantiate classes even if they are not used the app, i can list :
- vtkGlyph3DMapper
- vtkPixelSpaceCallbackMapper
- vtkSphereMapper
- vtkStickMapper
- vtkSurfaceLICMapper
- vtkVolumeMapper
is there something we can do in vtk.js to improve this part?
Also i can see the import of vtkMath which is 20kb
import * as vtkMath from 'vtk.js/Sources/Common/Core/Math';instead of the individual functions
import { XYZ } from 'vtk.js/Sources/Common/Core/Math';