[No QA] [Sentry] Disable Firebase marks in Sentry

src/libs/telemetry/middlewares/firebasePerformanceFilter.ts

@@ -0,0 +1,22 @@
+import type {TransactionEvent} from '@sentry/core';
+import type {TelemetryBeforeSend} from './index';
+
+/**
+ * Drop Firebase Performance user timing spans (FB-PERF-TRACE-*)
+ * to avoid noisy mark/measure spans in Sentry.
+ */
+const firebasePerformanceFilter: TelemetryBeforeSend = (event: TransactionEvent): TransactionEvent => {
+    if (!event.spans) {
+        return event;
+    }
+
+    const spans = event.spans.filter((span) => {
+        const description = span.description ?? '';
+
+        return !description.includes('FB-PERF-TRACE');
+    });
+
+    return {...event, spans};
+};
+
+export default firebasePerformanceFilter;

src/libs/telemetry/middlewares/index.ts

@@ -1,9 +1,10 @@
 import type {EventHint, TransactionEvent} from '@sentry/core';
 import emailDomainFilter from './emailDomainFilter';
+import firebasePerformanceFilter from './firebasePerformanceFilter';
 
 type TelemetryBeforeSend = (event: TransactionEvent, hint: EventHint) => TransactionEvent | null | Promise<TransactionEvent | null>;
 
-const middlewares: TelemetryBeforeSend[] = [emailDomainFilter];
+const middlewares: TelemetryBeforeSend[] = [emailDomainFilter, firebasePerformanceFilter];
 
 function processBeforeSendTransactions(event: TransactionEvent, hint: EventHint): Promise<TransactionEvent | null> {
     return middlewares.reduce(