= response const responseHeaders = response. Let’s try a simple server that does nothing but sending empty responses for every request to illustrate how to get request data that can be logged. Postman is a widely used REST API development console, that provides support for reusable scripts to enhance its functionality. Like when running in a serverless environment, where the functions have no persistent storage. Sometimes logging to stdout isn’t an option and we have to send the logging data to some other place. To keep things simple, we will first write to stdout with console.log(). The idea behind logging is that we write some kind of data in some persistent data store so we can review it later. Node.js comes with an HTTP-server implementation out-of-the-box, while it isn’t used directly in most applications, it’s a good start to understand the basics of requests and responses. However, with the release of Postman v7.28, the Postman Console is now available as a new pane within the same window you’re working in, behaving more like developers would expect. In this article, we will go through the steps that went into building the Moesif-Express library, the places where the relevant logging data is and how to hook into Node.js’ http module to handle the data-gathering at the right time in the pipeline. Node.js handles requests asynchronously which can sometimes lead to problems, especially when we want to debug our systems or log what they are doing. We build many libraries that help with this integration, one of them is the Moesif Express Middleware Library, or short Moesif-Express.ĭespite its name, Moesif-Express can be used with Node.js applications that use the built-in http module. There are many different runtimes and eco-systems used to build APIs and here at Moesif we try to make integration with them as simple as possible.
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