What are the best practices for error handling in a large-scale Node.js application?

  • Avoiding error handling altogether for performance reasons.
  • Using global error handlers for unhandled errors.
  • Handling errors at the lowest level of code execution.
  • Logging errors but not taking any action.
In large-scale Node.js applications, best practices for error handling include handling errors at the lowest level of code execution, close to where they occur. This improves code maintainability and makes it easier to trace the source of errors. Avoiding error handling for performance reasons is a bad practice. Using global error handlers is suitable for unhandled errors, but it's essential to handle errors at the source first. Simply logging errors without taking corrective action is incomplete error handling.
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