TypeScript’s never type is very under-discussed, because it’s not nearly as ubiquitous or inescapable as other types. A TypeScript beginner can probably ignore never type as it only appears when dealing with advanced types, such as conditional types, or reading their cryptic type error messages.

The never type does have quite a few good use cases in TypeScript. However, it also has its own pitfalls you need to be careful of.

In this blog post, I will cover:

• The meaning of never type and why we need it.
• Practical applications and pitfalls of never.
• a lot of puns

Read in full here:

This thread was posted by one of our members via one of our news source trackers.