chore: updated

Author: aryamohanan

packages/core/src/tracing/instrumentation/logging/bunyan.js

@@ -67,34 +67,17 @@ function instrumentedLog(ctx, originalLog, originalArgs, markAsError) {
 
     if (typeof fields === 'string') {
       message = fields;
-    } else if (fields instanceof Error && typeof message === 'string') {
-      // CASE: logger.error(new Error('msg'), 'another msg')
-      const errorMessage = tracingUtil.extractErrorMessage(fields);
-      message = `${errorMessage} -- ${message}`;
     } else if (fields instanceof Error) {
-      // CASE: logger.error(new Error('msg'))
-      message = tracingUtil.extractErrorMessage(fields);
-    } else if (fields?.err instanceof Error && typeof message === 'string') {
-      // CASE: logger.error({ err: new Error(..) }, 'another msg')
-      const errorMessage = tracingUtil.extractErrorMessage(fields.err);
-      message = `${errorMessage} -- ${message}`;
+      const errorMessage = tracingUtil.extractErrorMessage(fields);
+      message = typeof message === 'string' ? `${errorMessage} -- ${message}` : errorMessage;
     } else if (fields?.err instanceof Error) {
-      // CASE: logger.error({ err: new Error(..) })
-      message = tracingUtil.extractErrorMessage(fields.err);
-    } else if (fields?.err && typeof fields.err.message === 'string' && typeof message === 'string') {
-      // CASE: logger.error({ err: { message: 'msg' } }, 'another msg')
-      message = `${fields.err.message} -- ${message}`;
+      const errorMessage = tracingUtil.extractErrorMessage(fields.err);
+      message = typeof message === 'string' ? `${errorMessage} -- ${message}` : errorMessage;
     } else if (fields?.err && typeof fields.err.message === 'string') {
-      // CASE: logger.error({ err: { message: 'msg' } })
-      message = fields.err.message;
-    } else if (fields && typeof fields.message === 'string' && typeof message === 'string') {
-      message = `${fields.message} -- ${message}`;
+      message = typeof message === 'string' ? `${fields.err.message} -- ${message}` : fields.err.message;
     } else if (fields && typeof fields.message === 'string') {
-      message = fields.message;
-    } else if (typeof fields === 'object') {
-      // CASE: we try our best to serialize logged objects
-      //       we do not want to directly call JSON.stringify because we do not know how big the object is and
-      //       there might be possible circular dependencies in the object.
+      message = typeof message === 'string' ? `${fields.message} -- ${message}` : fields.message;
+    } else if (fields && typeof fields === 'object') {
       const maxNoOfKeys = 100;
       const obj = {};