Local Variables does not work in Apollo GraphQL server running as an Express app #16701

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1. AbhiPrasad

   self-assigned this

   on Jun 23, 2025
2. AbhiPrasad

   added

   Bug

   on Jun 23, 2025
3. AbhiPrasad

   added the

   Bug

   issue type on Jun 23, 2025
4. AbhiPrasad commented on Jun 23, 2025

   

   AbhiPrasad

   on Jun 23, 2025

   ContributorAuthor

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   From debugging the problem, I think it's because of a mismatch with the detected filename.

   the local variables gives us function X while the frame has function Object.X.

   frames [
     {
       filename: '/Users/abhijeetprasad/customer/mini-graphql/app.js',
       module: 'app',
       function: 'Object.testSentry',
       lineno: 32,
       colno: 14,
       in_app: true,
       debug_id: undefined,
       pre_context: [
         '  }',
         '`;',
         '',
         'const resolvers = {',
         '  Query: {',
         '    testSentry: (args) => {',
         '      try {'
       ],
       context_line: '        args.foo.map((x) => x);',
       post_context: [
         '        return true;',
         '      } catch (error) {',
         '        Sentry.captureException(error);',
         '        return false;',
         '      }',
         '    },',
         '  },'
       ],
       vars: { args: '<undefined>' }
     }
   ]
   localVariables [
     { function: 'testSentry', vars: { args: '<undefined>' } },
     {
       function: 'field.resolve',
       vars: {
         source: '<undefined>',
         args: {},
         contextValue: {},
         info: [Object],
         userFieldResolver: '<undefined>'
       }
     },
     {
       function: 'executeField',
       vars: {
         exeContext: {},
         parentType: '<GraphQLObjectType>',
         source: '<undefined>',
         fieldNodes: [Array],
         path: [Object],
         fieldDef: [Object],
         returnType: '<GraphQLNonNull>',
         info: [Object]
       }
     },
     {
       function: 'executeFields',
       vars: {
         exeContext: {},
         parentType: '<GraphQLObjectType>',
         sourceValue: '<undefined>',
         path: '<undefined>',
         fields: '<Map(1)>',
         results: {},
         containsPromise: false
       }
     },
     {
       function: 'executeOperation',
       vars: {
         exeContext: {},
         operation: [Object],
         rootValue: '<undefined>',
         rootType: '<GraphQLObjectType>',
         rootFields: '<Map(1)>',
         path: '<undefined>'
       }
     },
     {
       function: 'execute',
       vars: {
         args: {},
         schema: '<GraphQLSchema>',
         document: [Object],
         variableValues: '<undefined>',
         rootValue: '<undefined>',
         exeContext: {},
         arguments: '<Arguments(1)>'
       }
     },
     { function: 'executeIncrementally', vars: { args: {} } },
     {
       function: 'process.processTicksAndRejections',
       vars: { tock: '<null>' }
     }
   ]
   
5. AbhiPrasad

   closed this as completedin #16702on Jun 23, 2025
6. betegon

   added a commit that references this issue on Jun 23, 2025

   fix(node): account for Object. syntax with local variables matching (#…

   ...

   ffb5511
7. github-actions commented on Jun 25, 2025

   

   github-actionsBot

   on Jun 25, 2025 – with GitHub Actions

   Contributor

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   A PR closing this issue has just been released 🚀

   This issue was referenced by PR #16702, which was included in the 9.32.0 release.