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Avoiding Circular Dependencies

Circular dependencies (A imports B, B imports A) can cause issues — one module gets an incomplete export. The fix is to extract shared code to a third module, or restructure so dependencies flow one way. Simulate by using a dependency injection pattern instead of direct references.

💡 Hints (4)
  • • Accept logger as a parameter to createService (dependency injection)
  • • Return an object with a process method
  • • The process method should call logger.log(data)
  • • This pattern avoids circular dependencies by passing dependencies explicitly