Fixed strange group deletion bugs

src/editor/editor.tsx

@@ -233,9 +233,9 @@ export class Editor extends React.PureComponent<any, stateTypes> {
         return node;
     }
 
-    private handleNodeDeletion(id: number) {
+    private handleNodeDeletion(ids: number[]) {
         const graph = Object.assign(new DynamicGraph(), this.state.graph);
-        graph.deleteNode(id);
+        ids.forEach((id) => graph.deleteNode(id));
         this.setState({ graph: graph });
     }
 
@@ -247,9 +247,9 @@ export class Editor extends React.PureComponent<any, stateTypes> {
         return link;
     }
 
-    private handleLinkDeletion(id: number) {
+    private handleLinkDeletion(ids: number[]) {
         const graph = Object.assign(new DynamicGraph(), this.state.graph);
-        graph.deleteLink(id);
+        ids.forEach((id) => graph.deleteLink(id));
 
         this.setState({ graph: graph });
     }

src/editor/renderer.tsx

@@ -86,8 +86,8 @@ export class GraphRenderer2D extends React.PureComponent<
             key === "Delete" &&
             this.graphInFocus // Only delete if 2d-graph is the focused element
         ) {
-            this.props.selectedNodes.forEach((node: Node) =>
-                this.props.onNodeDeletion(node.id)
+            this.props.onNodeDeletion(
+                this.props.selectedNodes.map((node: Node) => node.id)
             );
             this.props.onNodeSelectionChanged([]);
         }
@@ -395,12 +395,12 @@ export class GraphRenderer2D extends React.PureComponent<
                     nodeColor={(node: Node) => node.type.color}
                     onNodeDrag={this.handleNodeDrag}
                     onLinkRightClick={(link: Link) =>
-                        this.props.onLinkDeletion(link.id)
+                        this.props.onLinkDeletion([link.id])
                     }
                     onNodeRightClick={(node: Node) =>
-                        this.props.onNodeDeletion(node.id)
+                        this.props.onNodeDeletion([node.id])
                     }
-                    onBackgroundClick={(event: any) =>
+                    onBackgroundClick={(event: MouseEvent) =>
                         this.handleBackgroundClick(
                             event,
                             this.extractPositions(event)