comment

Author: timfish

packages/node/src/integrations/localvariables.ts

@@ -237,6 +237,7 @@ export class LocalVariables implements Integration {
     const framePromises = callFrames.map(async ({ scopeChain, functionName, this: obj }) => {
       const localScope = scopeChain.find(scope => scope.type === 'local');
 
+      // obj.className is undefined in ESM modules
       const fn = obj.className === 'global' || !obj.className ? functionName : `${obj.className}.${functionName}`;
 
       if (localScope?.object.objectId === undefined) {