ReactFlowInstance

export type ReactFlowInstance<T, U> = {
  // Nodes and Edges
  getNode: (id: string) => Node<T> | undefined;
  getNodes: () => Node<T>[];
  addNodes: (payload: Node<T>[] | Node<T>) => void;
  setNodes: (payload: Node<T>[] | ((nodes: Node<T>[]) => Node<T>[])) => void;
 
  getEdge: (id: string) => Edge<U> | undefined;
  getEdges: () => Edge<U>[];
  addEdges: (payload: Edge<U>[] | Edge<U>) => void;
  setEdges: (payload: Edge<U>[] | ((edges: Edge<U>[]) => Edge<U>[])) => void;
 
  toObject: () => ReactFlowJsonObject<T, U>;
  deleteElements: (payload: {
    nodes?: (Partial<Node> & { id: Node['id'] })[];
    edges?: (Partial<Edge> & { id: Edge['id'] })[];
  }) => void;
  getNodesBounds: (nodes: (NodeType | InternalNode | string)[]) => Rect;
 
  // Intersections
  getIntersectingNodes: (
    node: (Partial<Node<T>> & { id: Node['id'] }) | Rect,
    partially?: boolean,
    nodes?: Node<T>[],
  ) => Node<T>[];
 
  isNodeIntersecting: (
    node: (Partial<Node<T>> & { id: Node['id'] }) | Rect,
    area: Rect,
    partially?: boolean,
  ) => boolean;
 
  // Viewport
  viewportInitialized: boolean;
  zoomIn: (options?: { duration: number }) => void;
  zoomOut: (options?: { duration: number }) => void;
  zoomTo: (zoomLevel: number, options?: { duration: number }) => void;
  getZoom: () => number;
  setViewport: (viewport: Viewport, options?: { duration: number }) => void;
  getViewport: () => Viewport;
  fitView: (fitViewOptions?: FitViewOptions) => boolean;
  setCenter: (
    x: number,
    y: number,
    options?: { duration: number; zoom: number },
  ) => void;
  fitBounds: (
    bounds: Rect,
    options?: { duration: number; padding: number },
  ) => void;
  screenToFlowPosition: (position: { x: number; y: number }) => {
    x: number;
    y: number;
  };
  flowToScreenPosition: (position: { x: number; y: number }) => {
    x: number;
    y: number;
  };
  updateNode: (
    id: string,
    nodeUpdate: Partial<NodeType> | ((node: NodeType) => Partial<NodeType>),
    options?: { replace: boolean },
  ) => void;
  updateNodeData: (
    id: string,
    dataUpdate:
      | Partial<NodeType>['data']
      | ((node: Node) => Partial<NodeType>['data']),
    options?: { replace: boolean },
  ) => void;
  updateEdge: (
    id: string,
    edgeUpdate: Partial<EdgeType> | ((node: EdgeType) => Partial<EdgeType>),
    options?: { replace: boolean },
  ) => void;
  updateEdgeData: (
    id: string,
    dataUpdate:
      | Partial<EdgeType>['data']
      | ((node: Edge) => Partial<EdgeType>['data']),
    options?: { replace: boolean },
  ) => void;
};