add disable garbage collector

fixes #3

Author: mikebarkmin

src/MemoryView.tsx

@@ -426,7 +426,7 @@ export const MemoryView = () => {
           className="memory"
           nodes={nodes.map((n) => {
             n.className = "";
-            n.deletable = false;
+            n.deletable = memory.options.disableGarbageCollector;
             if (
               previousMethodCall !== undefined &&
               isConnectedTo(n.id, previousMethodCall.id, nodes, edges)
@@ -498,13 +498,13 @@ export const MemoryView = () => {
               <button onClick={onEdit}>Edit</button>
             </div>
           </Panel>
-          <Panel position="bottom-right">
+          {!memory.options.disableGarbageCollector && <Panel position="bottom-right">
             <div className="button-group">
               <button className="button-gc" onClick={onGC}>
                 Run Garbage Collector
               </button>
             </div>
-          </Panel>
+          </Panel>}
           <Controls />
           <Background />
         </ReactFlow>

src/ObjectNode.tsx

@@ -11,6 +11,8 @@ import {
 import { Attribute, Obj, numericDataTypes, primitveDataTypes } from "./memory";
 import { isConnectedToMethodCall, isConnectedToVariable } from "./utils";
 import { CustomEdgeType, CustomNodeType } from "./types";
+import useStore, { RFState } from "./store";
+import { shallow } from "zustand/shallow";
 
 function AttributeHandle({
   name,
@@ -108,10 +110,15 @@ export function isObjectNode(node: CustomNodeType): node is ObjectNodeType {
   return node.type === "object";
 }
 
+const selector = (state: RFState) => ({
+  ...state.memory.options,
+});
+
 function ObjectNode({ id, data }: NodeProps<ObjectNodeType>) {
+  const { disableGarbageCollector } = useStore(selector, shallow);
   const nodes = useNodes();
   const edges = useEdges();
-  const gc =
+  const gc = !disableGarbageCollector &&
     !isConnectedToVariable(id, nodes, edges) &&
     !isConnectedToMethodCall(id, nodes, edges);
 

src/memory.ts

@@ -92,6 +92,7 @@ export type Memory = {
     zoom: number;
   };
   options: {
+    disableGarbageCollector?: boolean;
     hideSidebar?: boolean;
     hideCallMethod?: boolean;
     hideDeclareGlobalVariable?: boolean;