add sdk info to envelope header

Author: lobsterkatie

packages/core/src/request.ts

@@ -1,11 +1,14 @@
 import { Event, SentryRequest, Session } from '@sentry/types';
+import { getGlobalObject } from '@sentry/utils';
 
 import { API } from './api';
 
 /** Creates a SentryRequest from an event. */
 export function sessionToSentryRequest(session: Session, api: API): SentryRequest {
+  const { name, version } = getGlobalObject().__SENTRY__?.sdkInfo || {};
   const envelopeHeaders = JSON.stringify({
     sent_at: new Date().toISOString(),
+    sdk: { name, version },
   });
   const itemHeaders = JSON.stringify({
     type: 'session',
@@ -39,9 +42,12 @@ export function eventToSentryRequest(event: Event, api: API): SentryRequest {
   // deserialization. Instead, we only implement a minimal subset of the spec to
   // serialize events inline here.
   if (useEnvelope) {
+    const { name, version } = getGlobalObject().__SENTRY__?.sdkInfo || {};
+
     const envelopeHeaders = JSON.stringify({
       event_id: event.event_id,
       sent_at: new Date().toISOString(),
+      sdk: { name, version },
     });
     const itemHeaders = JSON.stringify({
       type: event.type,

packages/core/test/lib/request.test.ts

@@ -1,4 +1,5 @@
 import { Event, TransactionSamplingMethod } from '@sentry/types';
+import { getGlobalObject } from '@sentry/utils';
 
 import { API } from '../../src/api';
 import { eventToSentryRequest } from '../../src/request';
@@ -53,4 +54,22 @@ describe('eventToSentryRequest', () => {
       expect('dog' in envelope.event.tags).toBe(true);
     });
   });
+
+  it('adds sdk metadata to envelope header', () => {
+    getGlobalObject().__SENTRY__ = { sdkInfo: { name: 'sentry.javascript.browser', version: '12.31.12' } } as any;
+
+    const result = eventToSentryRequest(event as Event, api);
+
+    const [envelopeHeaderString, itemHeaderString, eventString] = result.body.split('\n');
+
+    const envelope = {
+      envelopeHeader: JSON.parse(envelopeHeaderString),
+      itemHeader: JSON.parse(itemHeaderString),
+      event: JSON.parse(eventString),
+    };
+
+    expect(envelope.envelopeHeader).toEqual(
+      expect.objectContaining({ sdk: { name: 'sentry.javascript.browser', version: '12.31.12' } }),
+    );
+  });
 });