Subflows

Svelte Flow supports rendering nested graphs and grouping of nodes. You can configure the behaviour of the child nodes using extent: parent and render group elements without handles by passing type: group to the node configuration. See Sub Flows for more information.


<script lang="ts">
  import { writable } from 'svelte/store';
  import {
    SvelteFlow,
    Controls,
    Background,
    BackgroundVariant,
    MiniMap,
    type Node,
    type Edge
  } from '@xyflow/svelte';
 
  import { initialNodes, initialEdges } from './nodes-and-edges';
 
  import '@xyflow/svelte/dist/style.css';
 
  const nodes = writable<Node[]>(initialNodes);
 
  const edges = writable<Edge[]>(initialEdges);
</script>
 
<main>
  <SvelteFlow {nodes} {edges} fitView minZoom={0.1} maxZoom={2.5}>
    <Controls />
    <Background variant={BackgroundVariant.Dots} />
    <MiniMap />
  </SvelteFlow>
</main>
 
<style>
  main {
    height: 100vh;
  }
 
  :global(.svelte-flow .svelte-flow__node.parent) {
    background-color: rgba(220, 220, 255, 0.4);
  }
</style>