set from window

Author: AbhiPrasad

packages/browser/src/client.ts

@@ -17,8 +17,6 @@ import type { Breadcrumbs } from './integrations';
 import { BREADCRUMB_INTEGRATION_ID } from './integrations/breadcrumbs';
 import type { BrowserTransportOptions } from './transports/types';
 
-const sdkSource = getSDKSource();
-
 /**
  * Configuration options for the Sentry Browser SDK.
  * @see @sentry/types Options for more information.
@@ -44,6 +42,8 @@ export class BrowserClient extends BaseClient<BrowserClientOptions> {
    * @param options Configuration options for this SDK.
    */
   public constructor(options: BrowserClientOptions) {
+    const sdkSource = WINDOW.SENTRY_SDK_SOURCE || getSDKSource();
+
     options._metadata = options._metadata || {};
     options._metadata.sdk = options._metadata.sdk || {
       name: 'sentry.javascript.browser',

packages/browser/test/unit/index.test.ts

@@ -277,6 +277,16 @@ describe('SentryBrowser initialization', () => {
       expect(sdkData?.version).toBe(SDK_VERSION);
     });
 
+    it('uses SDK source from window', () => {
+      global.SENTRY_SDK_SOURCE = 'loader';
+      init({ dsn });
+
+      const sdkData = (getCurrentHub().getClient() as any).getOptions()._metadata.sdk;
+
+      expect(sdkData?.packages[0].name).toBe('loader:@sentry/browser');
+      delete global.SENTRY_SDK_SOURCE;
+    });
+
     it('should set SDK data when instantiating a client directly', () => {
       const options = getDefaultBrowserClientOptions({ dsn });
       const client = new BrowserClient(options);

packages/utils/src/env.ts

@@ -15,7 +15,7 @@
 
 declare const __SENTRY_BROWSER_BUNDLE__: boolean | undefined;
 
-type SdkSource = 'npm' | 'cdn' | 'loader';
+export type SdkSource = 'npm' | 'cdn' | 'loader';
 
 /**
  * Figures out if we're building a browser bundle.

packages/utils/src/worldwide.ts

@@ -14,6 +14,8 @@
 
 import type { Integration } from '@sentry/types';
 
+import type { SdkSource } from './env';
+
 /** Internal global with common properties and Sentry extensions  */
 export interface InternalGlobal {
   navigator?: { userAgent?: string };
@@ -26,6 +28,7 @@ export interface InternalGlobal {
   SENTRY_RELEASE?: {
     id?: string;
   };
+  SENTRY_SDK_SOURCE?: SdkSource;
   __SENTRY__: {
     globalEventProcessors: any;
     hub: any;