feat(svelte): add updateNodeInternals

packages/svelte/src/lib/hooks/useUpdateNodeInternals.ts

@@ -0,0 +1,28 @@
+import { get } from 'svelte/store';
+import type { UpdateNodeInternals, NodeDimensionUpdate } from '@xyflow/system';
+
+import { useStore } from '$lib/store';
+
+export function useUpdateNodeInternals(): UpdateNodeInternals {
+  const { domNode, updateNodeDimensions } = useStore();
+
+  // @todo: do we want to add this to system?
+  const updateInternals = (id: string | string[]) => {
+    const updateIds = Array.isArray(id) ? id : [id];
+    const updates = updateIds.reduce<NodeDimensionUpdate[]>((res, updateId) => {
+      const nodeElement = get(domNode)?.querySelector(
+        `.svelte-flow__node[data-id="${updateId}"]`
+      ) as HTMLDivElement;
+
+      if (nodeElement) {
+        res.push({ id: updateId, nodeElement, forceUpdate: true });
+      }
+
+      return res;
+    }, []);
+
+    requestAnimationFrame(() => updateNodeDimensions(updates));
+  };
+
+  return updateInternals;
+}