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Factory for Dynamically Composed Middleware Chains

Explore how to implement a factory function that dynamically composes middleware chains based on configuration in Node.js. Learn to generate a flexible middleware pipeline where each component wraps the next, following the chain of responsibility pattern. This lesson helps you design scalable and modular backend code without hardcoding execution flows.

Problem statement

You’re designing a middleware engine where different middleware behaviors (e.g., logging, auth, rate limiting) can be turned on or off ...