Support node double click handler.

src/container/GraphView/index.tsx

@@ -35,6 +35,7 @@ const GraphView = ({
   onMoveEnd,
   onLoad,
   onElementClick,
+  onNodeDoubleClick,
   onNodeMouseEnter,
   onNodeMouseMove,
   onNodeMouseLeave,
@@ -244,6 +245,7 @@ const GraphView = ({
       <NodeRenderer
         nodeTypes={nodeTypes}
         onElementClick={onElementClick}
+        onNodeDoubleClick={onNodeDoubleClick}
         onNodeMouseEnter={onNodeMouseEnter}
         onNodeMouseMove={onNodeMouseMove}
         onNodeMouseLeave={onNodeMouseLeave}

src/container/NodeRenderer/index.tsx

@@ -7,6 +7,7 @@ interface NodeRendererProps {
   nodeTypes: NodeTypesType;
   selectNodesOnDrag: boolean;
   onElementClick?: (event: MouseEvent, element: Node | Edge) => void;
+  onNodeDoubleClick?: (event: MouseEvent, element: Node) => void;
   onNodeMouseEnter?: (event: MouseEvent, node: Node) => void;
   onNodeMouseMove?: (event: MouseEvent, node: Node) => void;
   onNodeMouseLeave?: (event: MouseEvent, node: Node) => void;
@@ -93,6 +94,7 @@ const NodeRenderer = (props: NodeRendererProps) => {
             onMouseMove={props.onNodeMouseMove}
             onMouseLeave={props.onNodeMouseLeave}
             onContextMenu={props.onNodeContextMenu}
+            onNodeDoubleClick={props.onNodeDoubleClick}
             onNodeDragStart={props.onNodeDragStart}
             onNodeDrag={props.onNodeDrag}
             onNodeDragStop={props.onNodeDragStop}

src/container/ReactFlow/index.tsx

@@ -53,6 +53,7 @@ export interface ReactFlowProps extends Omit<HTMLAttributes<HTMLDivElement>, 'on
   elements: Elements;
   onElementClick?: (event: MouseEvent, element: Node | Edge) => void;
   onElementsRemove?: (elements: Elements) => void;
+  onNodeDoubleClick?: (event: MouseEvent, node: Node) => void;
   onNodeMouseEnter?: (event: MouseEvent, node: Node) => void;
   onNodeMouseMove?: (event: MouseEvent, node: Node) => void;
   onNodeMouseLeave?: (event: MouseEvent, node: Node) => void;