feat: Make reporting observer optional (#1713)

Author: HazAT

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+- [browser]: Move `ReportingObserver` integration to "pluggable" making it an opt-in integration
 - [utils]: Use node internal `path` / `fs` for `store.ts`
 
 ## 4.2.4

packages/browser/src/integrations/index.ts

@@ -2,8 +2,8 @@ export { GlobalHandlers } from './globalhandlers';
 export { TryCatch } from './trycatch';
 export { Breadcrumbs } from './breadcrumbs';
 export { LinkedErrors } from './linkederrors';
-export { ReportingObserver } from './reportingobserver';
 export { UserAgent } from './useragent';
 
 export { Ember } from './pluggable/ember';
 export { Vue } from './pluggable/vue';
+export { ReportingObserver } from './pluggable/reportingobserver';

packages/browser/src/integrations/reportingobserver.ts renamed to packages/browser/src/integrations/pluggable/reportingobserver.ts

@@ -1,7 +1,7 @@
 import { getCurrentHub, initAndBind, Integrations as CoreIntegrations } from '@sentry/core';
 import { BrowserOptions } from './backend';
 import { BrowserClient, ReportDialogOptions } from './client';
-import { Breadcrumbs, GlobalHandlers, LinkedErrors, ReportingObserver, TryCatch, UserAgent } from './integrations';
+import { Breadcrumbs, GlobalHandlers, LinkedErrors, TryCatch, UserAgent } from './integrations';
 
 export const defaultIntegrations = [
   // Common
@@ -13,7 +13,6 @@ export const defaultIntegrations = [
   new Breadcrumbs(),
   // Global Handlers
   new GlobalHandlers(),
-  new ReportingObserver(),
   // Misc
   new LinkedErrors(),
   new UserAgent(),