One thing that I see more often recently is that folks find out about the never type, and start using it more often, especially trying to model error handling. But more often than not, they don’t use it properly or overlook some fundamental features of never. This can lead to faulty code that might act up in production, so I want to clear doubts and misconceptions, and show you what you can really do with never.

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Learn about the never type in TypeScript and its usage in error handling. Understand the misconceptions around the never type and discover how to correctly handle errors using discriminated unions.

The `never` type and error handling in TypeScript

How to correctly use never for error handling #