use node-fetch

Signed-off-by: Katharina Sick <katharina.sick@dynatrace.com>

plugins/auth-backend/src/providers/bitbucketServer/provider.test.ts

@@ -26,8 +26,6 @@ import { setupServer } from 'msw/node';
 import { setupRequestMockHandlers } from '@backstage/test-utils';
 import { rest } from 'msw';
 
-global.fetch = require('node-fetch');
-
 jest.mock('../../lib/passport/PassportStrategyHelper', () => {
   return {
     ...jest.requireActual('../../lib/passport/PassportStrategyHelper'),

plugins/auth-backend/src/providers/bitbucketServer/provider.ts

@@ -42,6 +42,7 @@ import express from 'express';
 import { createAuthProviderIntegration } from '../createAuthProviderIntegration';
 import { Profile as PassportProfile } from 'passport';
 import { commonByEmailResolver } from '../resolvers';
+import fetch from 'node-fetch';
 
 type PrivateInfo = {
   refreshToken: string;
@@ -215,7 +216,7 @@ export class BitbucketServerAuthProvider implements OAuthHandlers {
       throw new Error(`Failed to retrieve the user '${username}'`);
     }
 
-    const user = await userResponse.json();
+    const user = (await userResponse.json()) as any;
 
     const passportProfile = {
       provider: 'bitbucketServer',