741: TypeScript Interview Questions - STUMP’d
March 11, 2024, 11 a.m. (1 month, 2 weeks ago)
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Wes and Scott tackle TypeScript trivia, from combining string literal types to unraveling the mystery of d.ts files. Join them as they challenge each other on conditional types, interfaces, triple-slash directives, and TypeScript records.
Show Notes
- 00:00 Welcome to Syntax!
- TypeScript
- 01:05 Brought to you by Sentry.io.
- 03:20 How do you combine string literal types?
- Template Literal Types
- 06:34 What is a TypeScript Generic and why would you use one?
- TypeScript Generics
- 08:12 How do you write a conditional type?
- TypeScript Conditional Types
- 09:58 Generating TypeScript type from a function.
- Stricter Generators
- 14:09 How do d.ts files work?
- Module .d.ts
- 16:25 Name one difference between a type and an interface.
- Types vs Interfaces
- 19:15 What is a tripple-slash directive and why would you use them?
- Tripple-Slash Directives
- 20:52 What is a TypeScript record and what is it used for?
- Utility Types
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