useNodes
This hook returns the nodes. The component that uses this hook re-renders whenever a node changes.
caution
This hook can only be used if the component that uses it, is wrapped with a ReactFlowProvider
or if it's a children of the <ReactFlow />
component.
Usage​
import ReactFlow, { useNodes } from 'react-flow-renderer';
function NodesLogger() {
const nodes = useNodes();
useEffect(() => {
console.log(nodes);
}, [nodes]);
return null;
}
Typescript​
useNodes<NodeData = any>(): Node<NodeData>[]