Files
xyflow/examples/nextjs/pages/SaveRestore/index.tsx
T

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TypeScript

import React, { useCallback } from 'react';
import ReactFlow, { ReactFlowProvider, Node, addEdge, Connection, Edge, useNodesState, useEdgesState } from 'reactflow';
import Controls from './Controls';
const initialNodes: Node[] = [
{ id: '1', data: { label: 'Node 1' }, position: { x: 100, y: 100 } },
{ id: '2', data: { label: 'Node 2' }, position: { x: 100, y: 200 } },
];
const initialEdges: Edge[] = [{ id: 'e1-2', source: '1', target: '2' }];
const SaveRestore = () => {
const [nodes, setNodes, onNodesChange] = useNodesState(initialNodes);
const [edges, setEdges, onEdgesChange] = useEdgesState(initialEdges);
const onConnect = useCallback((params: Connection | Edge) => setEdges((eds) => addEdge(params, eds)), [setEdges]);
return (
<ReactFlowProvider>
<ReactFlow
nodes={nodes}
edges={edges}
onNodesChange={onNodesChange}
onEdgesChange={onEdgesChange}
onConnect={onConnect}
>
<Controls setNodes={setNodes} setEdges={setEdges} />
</ReactFlow>
</ReactFlowProvider>
);
};
export default SaveRestore;