fix(Filters): Correctly export three filters

Author: Vulpes94

Sources/Filters/General/index.js

@@ -1,12 +1,15 @@
 import vtkAppendPolyData from './AppendPolyData';
 import vtkCalculator from './Calculator';
+import vtkClipClosedSurface from './ClipClosedSurface';
 import vtkClosedPolyLineToSurfaceFilter from './ClosedPolyLineToSurfaceFilter';
+import vtkContourTriangulator from './ContourTriangulator';
 import vtkImageCropFilter from './ImageCropFilter';
 import vtkImageMarchingCubes from './ImageMarchingCubes';
 import vtkImageMarchingSquares from './ImageMarchingSquares';
 import vtkImageOutlineFilter from './ImageOutlineFilter';
 import vtkImageSliceFilter from './ImageSliceFilter';
 import vtkImageStreamline from './ImageStreamline';
+import vtkLineFilter from './LineFilter';
 import vtkMoleculeToRepresentation from './MoleculeToRepresentation';
 import vtkOBBTree from './OBBTree';
 import vtkOutlineFilter from './OutlineFilter';
@@ -20,13 +23,16 @@ import vtkWindowedSincPolyDataFilter from './WindowedSincPolyDataFilter';
 export default {
   vtkAppendPolyData,
   vtkCalculator,
+  vtkClipClosedSurface,
   vtkClosedPolyLineToSurfaceFilter,
+  vtkContourTriangulator,
   vtkImageCropFilter,
   vtkImageMarchingCubes,
   vtkImageMarchingSquares,
   vtkImageOutlineFilter,
   vtkImageSliceFilter,
   vtkImageStreamline,
+  vtkLineFilter,
   vtkMoleculeToRepresentation,
   vtkOBBTree,
   vtkOutlineFilter,