fix(replay): Remove replay id from DSC on expired sessions (#14342)

Author: chargome

packages/replay-internal/src/coreHandlers/handleGlobalEvent.ts

@@ -5,6 +5,7 @@ import type { ReplayContainer } from '../types';
 import { isErrorEvent, isFeedbackEvent, isReplayEvent, isTransactionEvent } from '../util/eventUtils';
 import { isRrwebError } from '../util/isRrwebError';
 import { logger } from '../util/logger';
+import { resetReplayIdOnDynamicSamplingContext } from '../util/resetReplayIdOnDynamicSamplingContext';
 import { addFeedbackBreadcrumb } from './util/addFeedbackBreadcrumb';
 import { shouldSampleForBufferEvent } from './util/shouldSampleForBufferEvent';
 
@@ -34,6 +35,8 @@ export function handleGlobalEventListener(replay: ReplayContainer): (event: Even
       // Ensure we do not add replay_id if the session is expired
       const isSessionActive = replay.checkAndHandleExpiredSession();
       if (!isSessionActive) {
+        // prevent exceeding replay durations by removing the expired replayId from the DSC
+        resetReplayIdOnDynamicSamplingContext();
         return event;
       }
 

packages/replay-internal/test/integration/coreHandlers/handleGlobalEvent.test.ts

@@ -11,6 +11,7 @@ import { REPLAY_EVENT_NAME, SESSION_IDLE_EXPIRE_DURATION } from '../../../src/co
 import { handleGlobalEventListener } from '../../../src/coreHandlers/handleGlobalEvent';
 import type { ReplayContainer } from '../../../src/replay';
 import { makeSession } from '../../../src/session/Session';
+import * as resetReplayIdOnDynamicSamplingContextModule from '../../../src/util/resetReplayIdOnDynamicSamplingContext';
 import { Error } from '../../fixtures/error';
 import { Transaction } from '../../fixtures/transaction';
 import { resetSdkMock } from '../../mocks/resetSdkMock';
@@ -416,4 +417,21 @@ describe('Integration | coreHandlers | handleGlobalEvent', () => {
       }),
     );
   });
+
+  it('resets replayId on DSC when session expires', () => {
+    const errorEvent = Error();
+    const txEvent = Transaction();
+
+    vi.spyOn(replay, 'checkAndHandleExpiredSession').mockReturnValue(false);
+
+    const resetReplayIdSpy = vi.spyOn(
+      resetReplayIdOnDynamicSamplingContextModule,
+      'resetReplayIdOnDynamicSamplingContext',
+    );
+
+    handleGlobalEventListener(replay)(errorEvent, {});
+    handleGlobalEventListener(replay)(txEvent, {});
+
+    expect(resetReplayIdSpy).toHaveBeenCalledTimes(2);
+  });
 });