Why Deep‑Copying Request Payloads Is Critical for Safe Node.js APIs

Deep‑copying request payloads in Node.js prevents unintended mutations across middleware, protects shared state in async operations, improves debugging and security, and aligns with functional programming principles, making your APIs more robust, maintainable, and safe for handling user data and transactions.

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Why Deep‑Copying Request Payloads Is Critical for Safe Node.js APIs