add BB session URL & debug URL accessors

Author: monadoid

.changeset/add-browserbase-url-accessors.md

@@ -0,0 +1,5 @@
+---
+"@browserbasehq/stagehand": patch
+---
+
+Add Browserbase session URL and debug URL accessors

packages/core/lib/v3/v3.ts

@@ -137,9 +137,17 @@ export class V3 {
   private readonly domSettleTimeoutMs?: number;
   private _isClosing = false;
   public browserbaseSessionId?: string;
+  private browserbaseSessionUrl = "";
+  private browserbaseDebugUrl = "";
   public get browserbaseSessionID(): string | undefined {
     return this.browserbaseSessionId;
   }
+  public get browserbaseSessionURL(): string {
+    return this.browserbaseSessionUrl;
+  }
+  public get browserbaseDebugURL(): string {
+    return this.browserbaseDebugUrl;
+  }
   private _onCdpClosed = (why: string) => {
     // Single place to react to the transport closing
     this._immediateShutdown(`CDP transport closed: ${why}`).catch(() => {});
@@ -679,6 +687,7 @@ export class V3 {
               } as unknown as import("chrome-launcher").LaunchedChrome,
               ws: lbo.cdpUrl,
             };
+            this.resetBrowserbaseSessionMetadata();
             // Post-connect settings (downloads and viewport) if provided
             await this._applyPostConnectLocalOptions(lbo);
             return;
@@ -767,7 +776,7 @@ export class V3 {
             createdTempProfile: createdTemp,
             preserveUserDataDir: !!lbo.preserveUserDataDir,
           };
-          this.browserbaseSessionId = undefined;
+          this.resetBrowserbaseSessionMetadata();
 
           // Post-connect settings (downloads and viewport) if provided
           await this._applyPostConnectLocalOptions(lbo);
@@ -841,18 +850,21 @@ export class V3 {
 
           await this._ensureBrowserbaseDownloadsEnabled();
 
+          const resumed = !!this.opts.browserbaseSessionID;
+          let debugUrl: string | undefined;
+          try {
+            const dbg = (await bb.sessions.debug(sessionId)) as unknown as {
+              debuggerUrl?: string;
+            };
+            debugUrl = dbg?.debuggerUrl;
+          } catch {
+            // Ignore debug fetch failures; continue with sessionUrl only
+          }
+          const sessionUrl = `https://www.browserbase.com/sessions/${sessionId}`;
+          this.browserbaseSessionUrl = sessionUrl;
+          this.browserbaseDebugUrl = debugUrl ?? "";
+
           try {
-            const resumed = !!this.opts.browserbaseSessionID;
-            let debugUrl: string | undefined;
-            try {
-              const dbg = (await bb.sessions.debug(sessionId)) as unknown as {
-                debuggerUrl?: string;
-              };
-              debugUrl = dbg?.debuggerUrl;
-            } catch {
-              // Ignore debug fetch failures; continue with sessionUrl only
-            }
-            const sessionUrl = `https://www.browserbase.com/sessions/${sessionId}`;
             this.logger({
               category: "init",
               message: resumed
@@ -926,6 +938,12 @@ export class V3 {
     }
   }
 
+  private resetBrowserbaseSessionMetadata(): void {
+    this.browserbaseSessionId = undefined;
+    this.browserbaseSessionUrl = "";
+    this.browserbaseDebugUrl = "";
+  }
+
   /**
    * Run an "act" instruction through the ActHandler.
    *
@@ -1277,7 +1295,7 @@ export class V3 {
       this.state = { kind: "UNINITIALIZED" };
       this.ctx = null;
       this._isClosing = false;
-      this.browserbaseSessionId = undefined;
+      this.resetBrowserbaseSessionMetadata();
       try {
         unbindInstanceLogger(this.instanceId);
       } catch {

packages/core/tests/browserbase-session-accessors.test.ts

@@ -0,0 +1,116 @@
+import { describe, expect, it, vi, beforeEach, afterEach } from "vitest";
+import { V3 } from "../lib/v3/v3";
+
+const MOCK_SESSION_ID = "session-123";
+const MOCK_SESSION_URL = `https://www.browserbase.com/sessions/${MOCK_SESSION_ID}`;
+const MOCK_DEBUG_URL = `https://debug.browserbase.com/${MOCK_SESSION_ID}`;
+
+vi.mock("../lib/v3/understudy/context", () => {
+  class MockConnection {
+    onTransportClosed = vi.fn();
+    offTransportClosed = vi.fn();
+    send = vi.fn(async () => {});
+  }
+
+  class MockV3Context {
+    static async create(): Promise<MockV3Context> {
+      return new MockV3Context();
+    }
+
+    conn = new MockConnection();
+
+    pages(): never[] {
+      return [];
+    }
+
+    async close(): Promise<void> {
+      // noop
+    }
+  }
+
+  return { V3Context: MockV3Context };
+});
+
+vi.mock("../lib/v3/launch/browserbase", () => ({
+  createBrowserbaseSession: vi.fn(async () => ({
+    ws: "wss://mock-browserbase",
+    sessionId: MOCK_SESSION_ID,
+    bb: {
+      sessions: {
+        debug: vi.fn(async () => ({ debuggerUrl: MOCK_DEBUG_URL })),
+      },
+    },
+  })),
+}));
+
+vi.mock("../lib/v3/launch/local", () => ({
+  launchLocalChrome: vi.fn(async () => ({
+    ws: "ws://local-cdp",
+    chrome: { kill: vi.fn(async () => {}) },
+  })),
+}));
+
+describe("browserbase accessors", () => {
+  beforeEach(() => {
+    process.env.BROWSERBASE_API_KEY = "fake-key";
+    process.env.BROWSERBASE_PROJECT_ID = "fake-project";
+  });
+
+  afterEach(() => {
+    delete process.env.BROWSERBASE_API_KEY;
+    delete process.env.BROWSERBASE_PROJECT_ID;
+    vi.clearAllMocks();
+  });
+
+  it("exposes Browserbase session and debug URLs after init", async () => {
+    const v3 = new V3({
+      env: "BROWSERBASE",
+      disableAPI: true,
+      verbose: 0,
+    });
+
+    try {
+      await v3.init();
+
+      expect(v3.browserbaseSessionURL).toBe(MOCK_SESSION_URL);
+      expect(v3.browserbaseDebugURL).toBe(MOCK_DEBUG_URL);
+    } finally {
+      await v3.close().catch(() => {});
+    }
+  });
+
+  it("clears stored URLs after close", async () => {
+    const v3 = new V3({
+      env: "BROWSERBASE",
+      disableAPI: true,
+      verbose: 0,
+    });
+
+    await v3.init();
+    await v3.close();
+
+    expect(v3.browserbaseSessionURL).toBe("");
+    expect(v3.browserbaseDebugURL).toBe("");
+  });
+});
+
+describe("local accessors", () => {
+  it("stay empty for LOCAL environments", async () => {
+    const v3 = new V3({
+      env: "LOCAL",
+      disableAPI: true,
+      verbose: 0,
+      localBrowserLaunchOptions: {
+        cdpUrl: "ws://local-existing-session",
+      },
+    });
+
+    try {
+      await v3.init();
+      expect(v3.browserbaseSessionURL).toBe("");
+      expect(v3.browserbaseDebugURL).toBe("");
+    } finally {
+      await v3.close().catch(() => {});
+    }
+  });
+});