<ul><li>The article discusses using promises in a callback-based codebase in Node.js.</li><li>It emphasizes avoiding writing new callbacks and introducing promises or async/await for better readability and maintainability.</li><li>The importance of preferring then-chaining over nesting with promises is highlighted to avoid 'Promise hell'.</li><li>Overall, the article advocates for committing to using promises once introduced and avoiding nesting callbacks or .then() blocks for clarity and maintainability in asynchronous code.</li></ul>

[Node.js] How to Use Promises in a Callback-based Codebase

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