Template literal types
Comes up in: Coding
This concept is being written. It gets the full five steps — explanation, predict, interview angle, practice with tests, and review cards. Here is exactly what it will cover, so you can study it elsewhere in the meantime.
What it covers
- string unions combined
Uppercase/Capitalizeintrinsics- parsing strings with
infer(route params"/users/:id"→{ id: string })
Words you will know
What you will practise
- typed event names
on${Capitalize<E>} - route param extraction
Interview questions this answers
- Extract route parameters from
"/users/:id/posts/:postId"as a type.