Advanced TypeScript

Complex types used in reusable library and framework code.

Other courses on TypeScript: TypeScript Basics, Everyday TypeScript.

About This Course

You'll Learn

Advanced TypeScript types often used in library and framework code. Type predicates, generic constraints, mapped types, conditional types, template literal types, function overloads, and others.

There are 29 lessons containing 275 code examples. Most people finish this course in 5 hours over 8 calendar days.

Prerequisites

Substantial TypeScript knowledge. We recommend this course if you have at least 1 year of programming experience and have spent 20 hours on TypeScript projects.

What Other Developers Think

I just finished @exec_prog's TypeScript course and could not recommend it more highly. My only gripe is that there isn't an advanced TS course I can get stuck into!

— Vito B

Thanks, Vito. A lot of other developers agreed with you, so we created this advanced course!

— Gary B, Founder of Execute Program

Level 1

Type Predicates

Default Type Parameters

Generic Constraints

Type Predicate Tips

Any and Unknown in Generic Constraints

Assertion Functions

Level 2

Locked

Keyof

Mapped Types

Typeof

Unions With Never

Partial Is a Mapped Type

Indexing Types With Union Types

Keyof With Typeof

Level 3

Locked

Mapped Types With Index Signatures

Type Algebra

Conditional Types

Validating Data Manually

Distributive Conditional Types

Infer Keyword

Generic Constraints and Type Compatibility

Keyof Generic Constraints

Level 4

Locked

Hybrid Types

Function Parameter Type Compatibility

Function Overloads

Summary of Generic Type Parameters

Function Return Type Compatibility

Type Predicate Inference

Overloading With Options Objects