Unleashing the Power of TypeScript / Kinney Steve.

Format:

Book

Author/Creator:

Steve, Kinney, author.

Language:

English

Subjects (All):

TypeScript (Computer program language).

Web applications.

Physical Description:

1 online resource (59 pages)

Place of Publication:

Cremorne, VIC : SitePoint Pty. Ltd., [2023]

Summary:

TypeScript 5.0 is a major advancement to the user-friendliness and flexibility of the language. It nudges us toward better coding practices, promotes cleaner code, and catches potential errors before they become a headache. It's a great time to start using TypeScript, but if you're a JavaScript developer struggling to get to grips with the language or use it effectively in your projects, this short book is for you. It will guide you in making the most of this powerful language and its latest features, and help you overcome some common misunderstandings and pitfalls. It covers: Simplifying Reducers in React with TypeScript A Gentle Introduction to Generics in TypeScript Navigating the Perils and Pitfalls of Using React's Context API with TypeScript Extending DOM Elements and Creating Polymorphic Components A Guided Tour of the Three Biggest Features in TypeScript 5.0 This book is for intermediate-level JavaScript developers who want to get to grips with the powerful features that TypeScript offers.

Contents:

Unleashing the Power of TypeScript

Notice of Rights

Notice of Liability

Trademark Notice

About SitePoint

About the Author

Preface

Who Should Read This Book?

Conventions Used

Code Samples

Tips, Notes, and Warnings

Supplementary Materials

Chapter 1: Simplifying Reducers in React with TypeScript

Reducer Basics

Adding Types to Our Reducer

Adding Payloads to Actions

Using Unions

Removing the Default Case in the Reducer

Dealing with Different Kinds of Actions

Using Unions for Action Types

Using Our Reducer in a React Component

Conclusion

Chapter 2: A Gentle Introduction to Generics in TypeScript

What Are Generics?

A Word on Naming Generics

Extending Types in Generics

Using Generics in Functions

A Word on Using Generics with JSX

Inferring Generics

Taking It a Step Further

Using Generics with Classes

Chapter 3: Navigating the Perils and Pitfalls of Using React's Context API with TypeScript

The Fundamental Problem

A Rejected Solution: Use any

A Feasible Solution: Use a Type Assertion

A Compromised Solution: Tell the Truth

A Reasonable Solution: Create an Abstraction

Creating Our Own createContext

Using Our New Hook

Chapter 4: Extending DOM Elements and Creating Polymorphic Components

Mirroring and Extending the Properties of an HTML Element

Creating Composite Components

Polymorphic Components

Chapter 5: A Guided Tour of the Three Biggest Features in TypeScript 5.0

Decorators: the Next Generation

Unleashing const Type Parameters

Upgraded and Enhanced Enums

Conclusion.

Notes:

Description based upon print version of record.

Description based on print version record.

ISBN:

9781925836585

1925836584

OCLC:

1405942173