fix type

Author: AbhiPrasad

packages/tracing/src/browser/browsertracing.ts

@@ -7,7 +7,7 @@ import { DEFAULT_IDLE_TIMEOUT, IdleTransaction } from '../idletransaction';
 import { SpanStatus } from '../spanstatus';
 import { extractTraceparentData, secToMs } from '../utils';
 import { registerBackgroundTabDetection } from './backgroundtab';
-import { MetricsInstrumentation, MetricsInstrumentationOptions } from './metrics';
+import { DEFAULT_METRICS_INSTR_OPTIONS, MetricsInstrumentation, MetricsInstrumentationOptions } from './metrics';
 import {
   defaultRequestInstrumentationOptions,
   instrumentOutgoingRequests,
@@ -149,7 +149,7 @@ export class BrowserTracing implements Integration {
       tracingOrigins,
     };
 
-    this._metrics = new MetricsInstrumentation(this.options._metricOptions);
+    this._metrics = new MetricsInstrumentation({ ...this.options._metricOptions, ...DEFAULT_METRICS_INSTR_OPTIONS });
   }
 
   /**

packages/tracing/src/browser/metrics.ts

@@ -21,7 +21,7 @@ export interface MetricsInstrumentationOptions {
   _reportAllChanges: boolean;
 }
 
-const DEFAULT_METRICS_INSTR_OPTIONS: MetricsInstrumentationOptions = {
+export const DEFAULT_METRICS_INSTR_OPTIONS: MetricsInstrumentationOptions = {
   _reportAllChanges: false,
 };
 
@@ -33,7 +33,7 @@ export class MetricsInstrumentation {
   private _lcpEntry: LargestContentfulPaint | undefined;
   private _clsEntry: LayoutShift | undefined;
 
-  public constructor(_options: MetricsInstrumentationOptions = DEFAULT_METRICS_INSTR_OPTIONS) {
+  public constructor(_options: MetricsInstrumentationOptions) {
     if (!isNodeEnv() && global?.performance) {
       if (global.performance.mark) {
         global.performance.mark('sentry-tracing-init');