create hybrid type for domains acting as carriers

Author: lobsterkatie

packages/hub/src/hub.ts

@@ -20,7 +20,7 @@ import {
 } from '@sentry/types';
 import { consoleSandbox, getGlobalObject, isNodeEnv, logger, timestampWithMs, uuid4 } from '@sentry/utils';
 
-import { Carrier, Layer } from './interfaces';
+import { Carrier, DomainAsCarrier, Layer } from './interfaces';
 import { Scope } from './scope';
 
 /**
@@ -462,7 +462,7 @@ export function getCurrentHub(): Hub {
  *
  * @returns The domain, or undefined if there is no active domain
  */
-export function getActiveDomain(): any | undefined {
+export function getActiveDomain(): DomainAsCarrier | undefined {
   const sentry = getMainCarrier().__SENTRY__;
 
   // eslint-disable-next-line @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-explicit-any

packages/hub/src/index.ts

@@ -1,4 +1,4 @@
-export { Carrier, Layer } from './interfaces';
+export { Carrier, DomainAsCarrier, Layer } from './interfaces';
 export { addGlobalEventProcessor, Scope } from './scope';
 export {
   getActiveDomain,

packages/hub/src/interfaces.ts

@@ -1,4 +1,5 @@
 import { Client } from '@sentry/types';
+import * as domain from 'domain';
 
 import { Hub } from './hub';
 import { Scope } from './scope';
@@ -26,3 +27,5 @@ export interface Carrier {
     extensions?: { [key: string]: Function };
   };
 }
+
+export interface DomainAsCarrier extends domain.Domain, Carrier {}