fix(core): continueTrace doesn't propagate given trace ID if active span exists

packages/core/src/tracing/trace.ts

@@ -226,6 +226,7 @@ export const continueTrace = <V>(
   return withScope(scope => {
     const propagationContext = propagationContextFromHeaders(sentryTrace, baggage);
     scope.setPropagationContext(propagationContext);
+    _setSpanForScope(scope, undefined);
     return callback();
   });
 };

packages/core/test/lib/tracing/trace.test.ts

@@ -4,6 +4,7 @@ import {
   getGlobalScope,
   getIsolationScope,
   getMainCarrier,
+  getTraceData,
   Scope,
   SEMANTIC_ATTRIBUTE_SENTRY_OP,
   SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN,
@@ -2021,6 +2022,39 @@ describe('continueTrace', () => {
       });
     });
   });
+
+  it('works inside an active span', () => {
+    const client = new TestClient(
+      getDefaultTestClientOptions({
+        dsn: 'https://username@domain/123',
+        tracesSampleRate: 1,
+      }),
+    );
+    setCurrentClient(client);
+    client.init();
+
+    const sentryTrace = '12312012123120121231201212312012-1121201211212012-1';
+    const sentryTraceId = '12312012123120121231201212312012';
+    const sentryBaggage = 'sentry-org_id=123';
+
+    startSpan({ name: 'outer' }, () => {
+      continueTrace(
+        {
+          sentryTrace: sentryTrace,
+          baggage: sentryBaggage,
+        },
+        () => {
+          const traceDataInContinuedTrace = getTraceData();
+          const traceIdInContinuedTrace = traceDataInContinuedTrace['sentry-trace']?.split('-')[0];
+          const traceIdInCurrentScope = getCurrentScope().getPropagationContext().traceId;
+
+          expect(getActiveSpan()).toBeUndefined();
+          expect(traceIdInContinuedTrace).toBe(sentryTraceId);
+          expect(traceIdInCurrentScope).toBe(sentryTraceId);
+        },
+      );
+    });
+  });
 });
 
 describe('getActiveSpan', () => {

packages/sveltekit/test/server-common/handle.test.ts

@@ -186,7 +186,7 @@ describe('sentryHandle', () => {
           resolve: async _ => {
             // simulating a nested load call:
             await sentryHandle()({
-              event: mockEvent({ route: { id: 'api/users/details/[id]', isSubRequest: true } }),
+              event: mockEvent({ route: { id: 'api/users/details/[id]' }, isSubRequest: true }),
               resolve: resolve(type, isError),
             });
             return mockResponse;