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']);
 
  $: {
    // nodeData changes whenever the data of the passed node ids get updated
    console.log($nodeData);
  }
</script>

Signature

Name	Type
#Params
#`nodeId`	`string \| string[]`
#Returns
#	`Readable<{ id: string, type:string, data: object} \| { id: string, type:string, data: object}[]>` A readable store with id, type and data object/s of passed node id/s.

Notes

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