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Node.js agent v10.0.0

April 19, 2023Download


  • BREAKING - Updated the default of config.transaction_tracer.record_sql from off to obfuscated. This means that sql statements will be captured but obfuscated.

  • BREAKING - Route (URL) parameters are now stored as request.parameters.route.* attributes on Transactions, root Segments and Spans.

    After this change, the following becomes true:

    • Query parameters will be available as attributes prefixed with request.parameters.* on Transactions and Spans.

    • Route parameters will be available as attributes prefixed with request.parameters.route.* on Transactions and Spans.

    • Route parameters (aka url parameters) are a common feature of various web frameworks, where you can create a placeholder as part of an API route definition.

      For example, given the following Express route definition and request url:

      app.get('/api/users/:id', myMiddleware, myController)
      curl http://localhost:3000/api/users/abc123?id=true

      The route parameter is id, and has a value of abc123. This would become request.parameters.route.id: abc123 on the Transaction, root Segment, and Span attributes. This example also has a query parameter of id, which has a value of true. This would become request.parameters.id: true on the Transaction, root Segment, and Span attributes.

  • BREAKING - Removed captureUrlParams from WebFrameworkShim class.

  • DEPRECATION NOTICE: shim.unwrap and shim.unwrapOnce will no longer function if you attempt to unwrap an item that has been wrapped multiple times.

    • This is because since we now allow instrumenting the same module more than once, you cannot safely unwrap without breaking all registered instrumentation. We plan to remove shim.unwrap and shim.unwrapOnce in the next major release.
  • Added the ability to register instrumentation multiple hooks (onRequire, onResolved) for the same resolved moduleName.

    • This has been a limitation of the agent from the beginning.
    • If you used the api to instrument api.instrument, api.instrumentDatastore, api.instrumentWebframework, api.instrumentMessages, or api.instrumentConglomerate, it would override existing instrumentation hooks. The effect was that the Node.js agent would not function as designed.
  • Refactored lib/transaction/tracecontext.js to reduce cognitive complexity.

  • Refactored lib/transaction/trace/index.js to reduce cognitive complexity.

  • Upgraded devDependencies jsdoc, and lean-jsdoc-theme.

Support statement:

  • New Relic recommends that you upgrade the agent regularly to ensure that you're getting the latest features and performance benefits. Additionally, older releases will no longer be supported when they reach end-of-life.
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