useNodesData()

With this hook you can receive the data of the passed node ids.


<script lang="ts">
  import { useNodesData } from '@xyflow/svelte';
 
  const nodeData = useNodesData(['node-id-a', 'node-id-b']);
 
  $effect(() => {
    // nodeData changes whenever the data of the passed node ids get updated
    console.log(nodeData.current);
  });
</script>

Signature

Parameters:

Name	Type	Default
`nodeId`	`string` The id (or ids) of the node to get the data from

Returns:

An array of data objects

Name	Type
`current`	`Pick<NodeType, "id" \| "data" \| "type"> \| null`

Name	Type	Default
`nodeIds`	`string[]`

Name	Type
`current`	`Pick<NodeType, "id" \| "data" \| "type">[]`

Notes

Check the Computing Flows example to see how this hook can be used