start adding dummy nodes

agent/conditionals/tool_end.ts

@@ -0,0 +1,31 @@
+import { ConditionalEdgeRouter, END } from "@langchain/langgraph";
+import { MessagesState } from "../state";
+import { AIMessage } from "@langchain/core/messages";
+
+export function createToolConditional(a: String, b: String): ConditionalEdgeRouter<typeof MessagesState, String> {
+  // @ts-expect-error
+  var genericToolConditional: ConditionalEdgeRouter<typeof MessagesState, String> = (state) => {
+    const lastMessage = state.messages.at(-1);
+    
+    //STARTTEMP
+    if (lastMessage?.content?.toString().indexOf("qwe") != -1) {
+      return a
+    }
+    //ENDTEMP
+
+    // Check if it's an AIMessage before accessing tool_calls
+    if (!lastMessage || !AIMessage.isInstance(lastMessage)) {
+      return b;
+    }
+
+    // If the LLM makes a tool call, then perform an action
+    if (lastMessage.tool_calls?.length) {
+      return a;
+    }
+
+    // Otherwise, we stop (reply to the user)
+    return b;
+  };
+  return genericToolConditional
+}
+