feat(Dataset): initial dataset impl

Author: floryst

src/core/Dataset.tsx

@@ -0,0 +1,26 @@
+import { vtkObject } from '@kitware/vtk.js/interfaces';
+import { useEffect } from 'react';
+import { useDownstream, useRepresentation } from './contexts';
+
+export interface DatasetProps {
+  dataset: vtkObject | null;
+}
+
+export default function Dataset(props: DatasetProps) {
+  const representation = useRepresentation();
+  const downstream = useDownstream();
+
+  const { dataset } = props;
+
+  useEffect(() => {
+    if (!dataset) {
+      return;
+    }
+
+    downstream.setInputData(dataset);
+    representation.dataAvailable();
+    representation.dataChanged();
+  }, [dataset, downstream, representation]);
+
+  return null;
+}

src/index.ts

@@ -9,6 +9,8 @@ export { default as CellData } from './core/CellData';
 export * as Contexts from './core/contexts';
 export { default as DataArray } from './core/DataArray';
 export type { DataArrayProps } from './core/DataArray';
+export { default as Dataset } from './core/Dataset';
+export type { DatasetProps } from './core/Dataset';
 export { default as FieldData } from './core/FieldData';
 export { default as Geometry2DRepresentation } from './core/Geometry2DRepresentation';
 export type { Geometry2DRepresentationProps } from './core/Geometry2DRepresentation';