How do I implement middleware in my web application?
An example of an AI chatbot conversation about implementing middleware in web applications.
How do I implement middleware in my web application?
To implement middleware, you need to define a function that takes in the request, response, and next function.
Can you give me an example of a middleware function?
Sure! Here's a simple logging middleware:
function logger(req, res, next) {
console.log(`${req.method} ${req.url}`);
next();
}
How do I use this middleware in an Express app?
You can use it by calling app.use(logger); in your Express app setup.
What are some common use cases for middleware?
Common use cases include logging, authentication, error handling, and parsing request bodies.
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