From 31a8e0433e2b43e8cb1586cd77723fe61d9a54e6 Mon Sep 17 00:00:00 2001
From: Daniel Bankhead <danielbankhead@google.com>
Date: Fri, 12 Apr 2024 12:15:19 -0700
Subject: [PATCH 1/2] feat: Improve `gaxios` exposure

---
 src/auth/authclient.ts | 20 ++++++++++++++++++++
 src/index.ts           |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/src/auth/authclient.ts b/src/auth/authclient.ts
index 29e1602a..82521a92 100644
--- a/src/auth/authclient.ts
+++ b/src/auth/authclient.ts
@@ -207,6 +207,26 @@ export abstract class AuthClient
     this.forceRefreshOnFailure = opts.forceRefreshOnFailure ?? false;
   }
 
+  /**
+   * Return the {@link Gaxios `Gaxios`} instance from the {@link AuthClient.transporter}.
+   *
+   * @expiremental
+   */
+  get gaxios(): Gaxios | null {
+    if (this.transporter instanceof Gaxios) {
+      return this.transporter;
+    } else if (this.transporter instanceof DefaultTransporter) {
+      return this.transporter.instance;
+    } else if (
+      'instance' in this.transporter &&
+      this.transporter.instance instanceof Gaxios
+    ) {
+      return this.transporter.instance;
+    }
+
+    return null;
+  }
+
   /**
    * Provides an alternative Gaxios request implementation with auth credentials
    */
diff --git a/src/index.ts b/src/index.ts
index 77ad950a..caab2428 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -13,7 +13,10 @@
 // limitations under the License.
 import {GoogleAuth} from './auth/googleauth';
 
+// Export common deps to ensure the instances are the exact match
+// if used for configuring the library.
 export * as gcpMetadata from 'gcp-metadata';
+export * as gaxios from 'gaxios';
 
 export {AuthClient, DEFAULT_UNIVERSE} from './auth/authclient';
 export {Compute, ComputeOptions} from './auth/computeclient';

From 3397e9726eede776767171fc8686f45f113ea56f Mon Sep 17 00:00:00 2001
From: Daniel Bankhead <danielbankhead@google.com>
Date: Fri, 12 Apr 2024 12:16:32 -0700
Subject: [PATCH 2/2] docs: clarify

---
 src/index.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index caab2428..1ab32948 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -13,8 +13,8 @@
 // limitations under the License.
 import {GoogleAuth} from './auth/googleauth';
 
-// Export common deps to ensure the instances are the exact match
-// if used for configuring the library.
+// Export common deps to ensure types/instances are the exact match. Useful
+// for consistently configuring the library across versions.
 export * as gcpMetadata from 'gcp-metadata';
 export * as gaxios from 'gaxios';