Files
xyflow/packages/react/src/hooks/useUpdateNodeInternals.ts
T

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TypeScript

import { useCallback } from 'react';
import type { UpdateNodeInternals, InternalNodeUpdate } from '@xyflow/system';
import { useStoreApi } from '../hooks/useStore';
/**
* Hook for updating node internals.
*
* @public
* @returns function for updating node internals
*/
export function useUpdateNodeInternals(): UpdateNodeInternals {
const store = useStoreApi();
return useCallback<UpdateNodeInternals>((id: string | string[]) => {
const { domNode, updateNodeInternals } = store.getState();
const updateIds = Array.isArray(id) ? id : [id];
const updates = new Map<string, InternalNodeUpdate>();
updateIds.forEach((updateId) => {
const nodeElement = domNode?.querySelector(`.react-flow__node[data-id="${updateId}"]`) as HTMLDivElement;
if (nodeElement) {
updates.set(updateId, { id: updateId, nodeElement, force: true });
}
});
requestAnimationFrame(() => updateNodeInternals(updates));
}, []);
}