Let's unpack a 2-line TypeScript type in only 1,750 words!| amir.rachum.com
Generating types by re-using an existing type.| www.typescriptlang.org
In TypeScript, type predicates allow you to narrow down an abstract type to a more concrete type with a simple assertion. Together with derived types, they can greatly reduce repetition in your code.| www.aleksandrhovhannisyan.com