feat(sveltekit): Add Undici integration by default (#7650)

Author: AbhiPrasad

packages/sveltekit/src/server/sdk.ts

@@ -1,6 +1,7 @@
 import { configureScope } from '@sentry/core';
 import type { NodeOptions } from '@sentry/node';
-import { init as initNodeSdk } from '@sentry/node';
+import { init as initNodeSdk, Integrations } from '@sentry/node';
+import { addOrUpdateIntegration } from '@sentry/utils';
 
 import { applySdkMetadata } from '../common/metadata';
 
@@ -11,9 +12,15 @@ import { applySdkMetadata } from '../common/metadata';
 export function init(options: NodeOptions): void {
   applySdkMetadata(options, ['sveltekit', 'node']);
 
+  addServerIntegrations(options);
+
   initNodeSdk(options);
 
   configureScope(scope => {
     scope.setTag('runtime', 'node');
   });
 }
+
+function addServerIntegrations(options: NodeOptions): void {
+  options.integrations = addOrUpdateIntegration(new Integrations.Undici(), options.integrations || []);
+}

packages/sveltekit/test/server/sdk.test.ts

@@ -47,5 +47,20 @@ describe('Sentry server SDK', () => {
       // @ts-ignore need access to protected _tags attribute
       expect(currentScope._tags).toEqual({ runtime: 'node' });
     });
+
+    it('adds the Undici integration', () => {
+      init({});
+
+      expect(nodeInit).toHaveBeenCalledTimes(1);
+      expect(nodeInit).toHaveBeenCalledWith(
+        expect.objectContaining({
+          integrations: expect.arrayContaining([
+            expect.objectContaining({
+              name: 'Undici',
+            }),
+          ]),
+        }),
+      );
+    });
   });
 });