Should I avoid deep nesting in Node.js module paths?
Yes. Deeply nested require paths are hard to read and refactor. If you are three or four levels deep, consider restructuring or using an index.js barrel to flatten the import paths.
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More FAQs in How to Organize Node.js Code With Modules
Give each module one concern, export only what other files need, group related modules into feature folders, use index.js as a barrel for clean imports, separate pure utilities from stateful modules, and avoid deep nesting.
An index.js in a folder that re-exports the folder's public interface. Instead of require('./user/controller'), you require('./user') and get the controller from the barrel. This keeps import paths clean as the project grows.
Only what other files need. A module with 20 exports is doing too much. A clear, minimal interface is easy to use, test, and maintain. Keep exports focused on the module's single concern.
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