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ref(browser): Ensure fetch transport has tracing suppressed #16532

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25 changes: 13 additions & 12 deletions packages/browser/src/transports/fetch.ts
Original file line number Diff line number Diff line change
@@ -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';
Expand Down Expand Up @@ -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 => {
Comment on lines +48 to +49
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wait this seems off. Why would we need to suppress tracing when using nativeFetch? Shouldn't this be instrumentation-free in the first place?

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yeah, this seems to be true, this is not triggering anything anyhow. Maybe we can just remove the comment and call it a day 😅

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yeah I don't see us switching to browser OTel anytime soon 😅

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');
Expand Down
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