Strongly Typed Refs
Explore techniques to ensure strong typing for refs in polymorphic React components with TypeScript. This lesson helps you identify and fix issues where refs do not match element types, enhancing type safety and preventing runtime errors in your components.
We'll cover the following...
We'll cover the following...
We have a typed ref implementation of our polymorphic component. However, our solution still isn’t as strongly typed as we would like. There's an edge case we haven't covered yet.
Incorrect ref support
Consider the following scenario, where a user passes the wrong element ref to our component. We want to throw a TypeScript error when a user does this.
Providing a different element ref object should throw a TypeScript error
To understand the issue here, let’s go ...