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Using TypeScript for Building Polymorphic React Components

Gain insights into building strongly typed polymorphic React components using TypeScript. Learn about naive implementations, advanced use cases, and creating reusable utilities for design systems.

Intermediate

28 Lessons

Certificate of Completion

Gain insights into building strongly typed polymorphic React components using TypeScript. Learn about naive implementations, advanced use cases, and creating reusable utilities for design systems.

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This course includes

35 Playgrounds

5 Quizzes

Course Overview

What You'll Learn

Course Content

Recommendations

Course Overview

TypeScript has become the de facto way to build modern web applications. With the rise of design systems and reusable components, building strongly typed polymorphic components is a desirable skill for the modern web engineer. This course provides a bottom-up approach to building strongly typed polymorphic components. You will start with a naive implementation of a polymorphic component and explore its drawbacks. You will then use TypeScript to provide a production-ready component interface. Finally, you’...Show More

TypeScript has become the de facto way to build modern web applications. With the rise of design systems and reusable components...Show More

TAKEAWAY SKILLS

React.js

React Components

JavaScript

What You'll Learn

An understanding of intermediate TypeScript utility types and TypeScript generics

Hands-on experience building polymorphic React components

A working knowledge of strongly typed polymorphism in React

The ability to enforce valid HTML element attributes based on a polymorphic prop

An understanding of intermediate TypeScript utility types and TypeScript generics

Course Content

Introduction

6 Lessons

Get familiar with creating reusable polymorphic components in React using TypeScript and popular UI libraries.

About Polymorphic Components

Polymorphic Components in Chakra UI

Polymorphic Components in Material UI

Build a Polymorphic Component

Drawbacks of Simple Implementation

Polymorphic Component Element Attributes

Strongly Typed Polymorphic Components

12 Lessons

Walk through the creation of flexible, type-safe, polymorphic components using TypeScript generics.

Introduction to TypeScript Generics

Constraining Generics

Using a Generic Polymorphic Prop

Handling Generics in JSX

Receiving Valid HTML Element Strings

Handling Valid Component Attributes

The ComponentProps Type

Handling Default Values for the Polymorphic Prop

Introducing a Reusable Component Prop

Strongly Typed Component Props

Reusable Component Props

Quiz

Build a Reusable Polymorphic Type Utility

3 Lessons

Break apart the creation of a versatile TypeScript utility for polymorphic React components.

A First Look

Building the Reusable Utility

Quiz

Polymorphic Component with Ref Support

4 Lessons

Grasp the fundamentals of ref support in polymorphic React components with TypeScript.

Component Props with Ref Support

The PolymorphicRef Type

Strongly Typed Refs

Quiz

Exercise and Conclusion

3 Lessons

Solve problems in building and understanding polymorphic React components with TypeScript.

Exercise: Build a Polymorphic Border Component

The Exercise Solution

Conclusion

Course Author

Ohans Emmanuel

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