Advanced TypeScript Masterclass

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Intermediate

42 Lessons

Certificate of Completion

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This course includes

41 Playgrounds

11 Challenges

This course includes

41 Playgrounds

11 Challenges

Course Overview

Are you using TypeScript, but feel like you’re not making the most out of it? Do you find some advanced TypeScript concepts confusing? Do you get lost looking at complex type errors? If you answered “yes” to any of these questions, then this course is for you! It introduces you to the world of advanced TypeScript concepts including: compiler flags for catching more errors, generic types, and how to compose types with discriminated unions. After finishing this course, you’ll feel more confident in your Ty...Show More

Course Content

Strict types

Introduction

No Implicit `any`

Fixing `noImplicitAny` Errors

The `unknown` Type

Strict Null Checks

Optionality

Strict Property Initialization

Non-Null Assertion Operator

Exercise in Strictness

Generics

Introduction

Function Types

Generic Functions

Generic Functions Example - Typing `reduce`

Generic Interfaces - OOP Perspective

Generic Interfaces - FP Perspective

Type Argument Constraints

Type Constructors

Type Argument Propagation

Composing types

Introduction

Union and Intersection Types

Discriminated Union Types

Discriminated Unions in Practice

State Machines

Discriminated Unions vs Subtyping

Advanced types

Introduction

Conditional Types Introduction

Built-in Conditional Types

The `infer` Keyword

Conditional Types Example - React Component Props

Mapped Types Introduction

Built-in Mapped Types

Type Guards

Custom Type Guards

Nominal Types

TypeScript in practice

Introduction

Debugging Errors: Type Assignability

Debugging Errors: Narrowing Types

Debugging Errors: Unintuitive Error Message

React and TypeScript: `useState` Hook

React and TypeScript: `useReducer` Hook

RxJS and TypeScript: `pipe`

Conclusion

1 Lesson

Course Author

Part of the TypeScript Learning Path

Start mastering TypeScript today

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Anthony Walker

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Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Souvik Kundu

Front-end Developer

Eric Downs

Musician/Entrepeneur

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

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