only attach the logger to __SENTRY__ in debug bundles

Author: lobsterkatie

packages/utils/src/logger.ts

@@ -1,6 +1,7 @@
 /* eslint-disable @typescript-eslint/no-explicit-any */
 import { WrappedFunction } from '@sentry/types';
 
+import { isDebugBuild } from './env';
 import { getGlobalObject } from './global';
 
 // TODO: Implement different loggers for different environments
@@ -104,8 +105,13 @@ class Logger {
   }
 }
 
-// Ensure we only have a single logger instance, even if multiple versions of @sentry/utils are being used
-global.__SENTRY__ = global.__SENTRY__ || {};
-const logger = (global.__SENTRY__.logger as Logger) || (global.__SENTRY__.logger = new Logger());
+const sentryGlobal = global.__SENTRY__ || {};
+const logger = (sentryGlobal.logger as Logger) || new Logger();
+
+if (isDebugBuild()) {
+  // Ensure we only have a single logger instance, even if multiple versions of @sentry/utils are being used
+  sentryGlobal.logger = logger;
+  global.__SENTRY__ = sentryGlobal;
+}
 
 export { logger };