How do you test and debug Express middleware functions in your app?
Express is a popular JavaScript framework for building web applications and APIs. It provides a flexible and modular way to handle requests and responses using middleware functions. Middleware functions are functions that have access to the request, response, and next objects, and can perform tasks such as logging, authentication, validation, error handling, and more. However, testing and debugging middleware functions can be challenging, especially when they depend on external services or data. In this article, you will learn some tips and tools to help you test and debug Express middleware functions in your app.
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