selectElementData()

function selectElementData<ElementData>(element): ElementData;

Selects an element's custom data payload, typed as ElementData. Supply the type when you call it (selectElementData<NodeData>) and TypeScript carries NodeData through to the value useCell returns.

Type Parameters

Type Parameter	Default type	Description
ElementData	unknown	shape of the custom data payload carried on the element

Parameters

Parameter	Type	Description
element	Computed<ElementRecord<ElementData>>	the resolved element record

Returns

ElementData

Example

import { useCell, selectElementData } from '@joint/react';

type NodeData = { label: string };
const data = useCell(elementId, selectElementData<NodeData>);