<NodeResizer />

Source on GitHub (opens in a new tab)

The <NodeResizer /> component can be used to add a resize functionality to your nodes. It renders draggable controls around the node to resize in all directions.

CustomNode.svelte

<script lang="ts">
  import { Handle, Position, NodeResizer } from '@xyflow/svelte';
 
  export let data;
</script>
 
<NodeResizer minWidth={100} minHeight={30} />
<Handle type="target" position={Position.Left} />
<div style={{ padding: 10 }}>{data.label}</div>
<Handle type="source" position={Position.Right} />

Props

For TypeScript users, the props type for the <NodeResizer /> component is exported as NodeResizerProps.

Name	Type
#`nodeId?`	`string`
#`color?`	`string`
#`handleClass?`	`string`
#`handleStyle?`	`string`
#`lineClass?`	`string`
#`lineStyle?`	`string`
#`isVisible?`	`boolean`
#`minWidth?`	`number`
#`minHeight?`	`number`
#`maxWidth?`	`number`
#`maxHeight?`	`number`
#`keepAspectRatio?`	`boolean`
#`shouldResize?`	`(event: D3.DragEvent, params: ResizeParams & { direction: number[]; }) => boolean`
#`onResizeStart?`	`(event: D3.DragEvent, params: ResizeParams) => void`
#`onResize?`	`(event: D3.DragEvent, params: ResizeParams & { direction: number[]; }) => void`
#`onResizeEnd?`	`(event: D3.DragEvent, params: ResizeParams) => void`

Examples

Head over to the example page to see how this is done.

<script lang="ts">
const data: string = "world";
</script>

<h1>Hello {data}</h1>

<style>
h1 {
  font-size: 1.5rem;
}
</style>

Read-only

Custom Resize Controls

To build custom resize controls, you can use the NodeResizeControl component and customize it.

Notes

Take a look at the docs for the NodeProps type or the guide on custom nodes to see how to implement your own nodes.