Web Reference: All JavaScript errors are handled as exceptions that immediately generate and throw an error using the standard JavaScript throw mechanism. These are handled using the try…catch construct provided by the JavaScript language. Effective error handling is a critical aspect of building robust Node.js applications. By understanding different error types, using appropriate patterns, and following best practices, you can create applications that are more stable, maintainable, and user-friendly. Below we demonstrate how to turn a node-style callback function into one that returns a Promise. Note, node provides this function as util.promisify, though I've implemented it here for demonstration purposes -
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