Initial commit: deerflow-server (frontend-web + offline-backend-20260512)

frontend-web/src/core/threads/utils.ts

@@ -0,0 +1,51 @@
+import type { Message } from "@langchain/langgraph-sdk";
+
+import type { AgentThread, AgentThreadContext } from "./types";
+
+type ThreadRouteTarget =
+  | string
+  | {
+      thread_id: string;
+      context?: Pick<AgentThreadContext, "agent_name"> | null;
+      metadata?: Record<string, unknown> | null;
+    };
+
+export function pathOfThread(
+  thread: ThreadRouteTarget,
+  context?: Pick<AgentThreadContext, "agent_name"> | null,
+) {
+  const threadId = typeof thread === "string" ? thread : thread.thread_id;
+  let agentName: string | undefined;
+  if (typeof thread === "string") {
+    agentName = context?.agent_name;
+  } else {
+    agentName = thread.context?.agent_name;
+    if (!agentName) {
+      const metaAgent = thread.metadata?.agent_name;
+      if (typeof metaAgent === "string") {
+        agentName = metaAgent;
+      }
+    }
+  }
+
+  return agentName
+    ? `/workspace/agents/${encodeURIComponent(agentName)}/chats/${threadId}`
+    : `/workspace/chats/${threadId}`;
+}
+
+export function textOfMessage(message: Message) {
+  if (typeof message.content === "string") {
+    return message.content;
+  } else if (Array.isArray(message.content)) {
+    for (const part of message.content) {
+      if (part.type === "text") {
+        return part.text;
+      }
+    }
+  }
+  return null;
+}
+
+export function titleOfThread(thread: AgentThread) {
+  return thread.values?.title ?? "Untitled";
+}