![]() ![]() = 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. 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(). Go to the Network tab and check the box Preserve log. This will ensure all relevant network data is captured. The idea behind logging is that we write some kind of data in some persistent data store so we can review it later. Open your browser and go to the Postman web app: Right-click anywhere and select Inspect. 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. 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. Postman automatically chooses default values for some settings so you can get right to work. 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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