From 97cbc6a44c0acf4ae409e0193a1f1db30d7eb306 Mon Sep 17 00:00:00 2001
From: Matthew Miller <matthew@millerti.me>
Date: Mon, 5 Oct 2020 02:31:31 -0700
Subject: Return authenticator transports when available

---
 packages/browser/src/methods/startAttestation.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'packages/browser/src')

diff --git a/packages/browser/src/methods/startAttestation.ts b/packages/browser/src/methods/startAttestation.ts
index b6faa83..0b2235d 100644
--- a/packages/browser/src/methods/startAttestation.ts
+++ b/packages/browser/src/methods/startAttestation.ts
@@ -43,7 +43,7 @@ export default async function startAttestation(
   const { id, rawId, response, type } = credential;
 
   // Convert values to base64 to make it easier to send back to the server
-  return {
+  const credentialJSON: AttestationCredentialJSON = {
     id,
     rawId: bufferToBase64URLString(rawId),
     response: {
@@ -52,4 +52,13 @@ export default async function startAttestation(
     },
     type,
   };
+
+  /**
+   * Include the authenticator's transports if the browser supports querying for them
+   */
+  if (typeof response.getTransports === 'function') {
+    credentialJSON.transports = response.getTransports();
+  }
+
+  return credentialJSON;
 }
-- 
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