/
index.tsx
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/
index.tsx
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import { useState, useCallback } from 'react';
import { useEffect } from 'react';
import ReactFlow, { addEdge, MiniMap, Controls, Connection, Edge, Node } from 'react-flow-renderer';
const initialNodes: Node[] = [
{ id: '1', type: 'input', hidden: true, data: { label: 'Node 1' }, position: { x: 250, y: 5 } },
{ id: '2', hidden: true, data: { label: 'Node 2' }, position: { x: 100, y: 100 } },
{ id: '3', hidden: true, data: { label: 'Node 3' }, position: { x: 400, y: 100 } },
{ id: '4', hidden: true, data: { label: 'Node 4' }, position: { x: 400, y: 200 } },
];
const initialEdges: Edge[] = [
{ id: 'e1-2', source: '1', target: '2' },
{ id: 'e1-3', source: '1', target: '3' },
{ id: 'e3-4', source: '3', target: '4' },
];
const setHidden = (hidden: boolean) => (els: any[]) =>
els.map((e: any) => {
e.hidden = hidden;
return e;
});
const HiddenFlow = () => {
const [nodes, setNodes] = useState<Node[]>(initialNodes);
const [edges, setEdges] = useState<Edge[]>(initialEdges);
const [isHidden, setIsHidden] = useState<boolean>(true);
const onConnect = useCallback((connection: Connection) => {
setEdges((eds) => addEdge(connection, eds));
}, []);
useEffect(() => {
setNodes(setHidden(isHidden));
setEdges(setHidden(isHidden));
}, [isHidden]);
return (
<ReactFlow nodes={nodes} edges={edges} onConnect={onConnect}>
<MiniMap />
<Controls />
<div style={{ position: 'absolute', left: 10, top: 10, zIndex: 4 }}>
<div>
<label htmlFor="ishidden">
isHidden
<input
id="ishidden"
type="checkbox"
checked={isHidden}
onChange={(event) => setIsHidden(event.target.checked)}
className="react-flow__ishidden"
/>
</label>
</div>
</div>
</ReactFlow>
);
};
export default HiddenFlow;