From d82d630ea0e729de4db2a6f071fd4000f1007d6c Mon Sep 17 00:00:00 2001
From: Francesco Novy <francesco.novy@sentry.io>
Date: Tue, 10 Jun 2025 15:15:51 +0200
Subject: [PATCH] ref(browser): Ensure `fetch` transport has tracing suppressed

---
 packages/browser/src/transports/fetch.ts | 25 ++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/packages/browser/src/transports/fetch.ts b/packages/browser/src/transports/fetch.ts
index 05ec0f2e211a..47ce341a8cf2 100644
--- a/packages/browser/src/transports/fetch.ts
+++ b/packages/browser/src/transports/fetch.ts
@@ -1,5 +1,5 @@
 import type { Transport, TransportMakeRequestResponse, TransportRequest } from '@sentry/core';
-import { createTransport, rejectedSyncPromise } from '@sentry/core';
+import { createTransport, rejectedSyncPromise, suppressTracing } from '@sentry/core';
 import { clearCachedImplementation, getNativeImplementation } from '@sentry-internal/browser-utils';
 import type { WINDOW } from '../helpers';
 import type { BrowserTransportOptions } from './types';
@@ -45,17 +45,18 @@ export function makeFetchTransport(
     }
 
     try {
-      // TODO: This may need a `suppressTracing` call in the future when we switch the browser SDK to OTEL
-      return nativeFetch(options.url, requestOptions).then(response => {
-        pendingBodySize -= requestSize;
-        pendingCount--;
-        return {
-          statusCode: response.status,
-          headers: {
-            'x-sentry-rate-limits': response.headers.get('X-Sentry-Rate-Limits'),
-            'retry-after': response.headers.get('Retry-After'),
-          },
-        };
+      return suppressTracing(() => {
+        return nativeFetch(options.url, requestOptions).then(response => {
+          pendingBodySize -= requestSize;
+          pendingCount--;
+          return {
+            statusCode: response.status,
+            headers: {
+              'x-sentry-rate-limits': response.headers.get('X-Sentry-Rate-Limits'),
+              'retry-after': response.headers.get('Retry-After'),
+            },
+          };
+        });
       });
     } catch (e) {
       clearCachedImplementation('fetch');