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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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’ll support advanced use cases with component refs and build a reusable utility you can use on multiple components. 

By the end of the course, you’ll be ready to build components fit for a design system and go beyond basic reusable needs.

Using TypeScript for Building Polymorphic React Components

Learn to leverage TypeScript generics for a robust polymorphic prop.

Introduction

Strongly Typed Polymorphic Components

Build a Reusable Polymorphic Type Utility

Polymorphic Component with Ref Support

Exercise and Conclusion

Using a Generic Polymorphic Prop