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Using TypeScript with React

Creating strongly-typed refs in class components

Explore the implementation of strongly-typed refs in React class components using TypeScript. Learn how to use the createRef function with generic types to ensure type safety, improve element referencing, and manage component lifecycle with robust typing.

We'll cover the following...

Understanding createRef #

In this lesson, we are going to implement the Search component we implemented in the last lesson as a class component. Below is a first attempt:

class Search extends React.Component {
  private input = React.useRef<HTMLInputElement>(null);
  
  componentDidMount() {
...