Specifically, an error handling layer in a Node.js app can be implemented with an Express middleware that takes charge of intercepting and handling errors consistently. Let’s jump right in! What Is an Error Handling Layer?Īn error handling layer is a collection of files in a backend software architecture that contain all the logic required to handle errors. Why you might need an advanced APM tool like AppSignal.Why your Express app should have an error handling layer, and how to implement it.What an error handling layer is in Node.js.You should have an error handling layer in your Node.js app to deal with errors securely and effectively. In an API-driven world, error handling is integral to every application.
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