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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