refactor(useZoomPanHelper): add getTransform, getZoom, rename transform to getTransform closes #1746

src/types/general.ts

@@ -121,7 +121,9 @@ export interface ZoomPanHelperFunctions {
   zoomIn: (options?: ZoomPanHelperFunctionOptions) => void;
   zoomOut: (options?: ZoomPanHelperFunctionOptions) => void;
   zoomTo: (zoomLevel: number, options?: ZoomPanHelperFunctionOptions) => void;
-  transform: (transform: FlowTransform, options?: ZoomPanHelperFunctionOptions) => void;
+  getZoom: () => number;
+  setTransform: (transform: FlowTransform, options?: ZoomPanHelperFunctionOptions) => void;
+  getTransform: () => FlowTransform;
   fitView: FitView;
   setCenter: (x: number, y: number, options?: SetCenterOptions) => void;
   fitBounds: (bounds: Rect, options?: FitBoundsOptions) => void;

src/types/nodes.ts

@@ -104,6 +104,8 @@ export type NodeDimensionUpdate = {
 };
 
 export type NodeInternalsItem = Node & {
+  width: number;
+  height: number;
   positionAbsolute: XYPosition;
   z: number;
   handleBounds?: NodeHandleBounds;