refactor(xydrag): cleanup

packages/system/src/types/general.ts

@@ -127,7 +127,7 @@ export type SelectionRect = Rect & {
 
 export type OnError = (id: string, message: string) => void;
 
-export type UpdateNodePositions = (dragItems: NodeDragItem[] | InternalNodeBase[], dragging?: boolean) => void;
+export type UpdateNodePositions = (dragItems: Map<string, NodeDragItem | InternalNodeBase>, dragging?: boolean) => void;
 export type PanBy = (delta: XYPosition) => boolean;
 
 export type UpdateConnection = (params: {

packages/system/src/xydrag/XYDrag.ts

@@ -10,7 +10,7 @@ import {
   getInternalNodesBounds,
   rectToBox,
 } from '../utils';
-import { getDragItems, getEventHandlerParams, hasSelector, wrapSelectionDragFunc } from './utils';
+import { getDragItems, getEventHandlerParams, hasSelector } from './utils';
 import type {
   NodeBase,
   NodeDragItem,

packages/system/src/xydrag/utils.ts

@@ -1,9 +1,5 @@
 import { type NodeDragItem, type XYPosition, InternalNodeBase, NodeBase, NodeLookup } from '../types';
 
-export function wrapSelectionDragFunc(selectionFunc?: (event: MouseEvent, nodes: NodeBase[]) => void) {
-  return (event: MouseEvent, _: NodeBase, nodes: NodeBase[]) => selectionFunc?.(event, nodes);
-}
-
 export function isParentSelected<NodeType extends NodeBase>(node: NodeType, nodeLookup: NodeLookup): boolean {
   if (!node.parentId) {
     return false;