Specifying a type for function component props
Explore how to create strongly-typed function component props in React using TypeScript. Learn to define prop types with annotations, interfaces, or the React.FC generic type to improve code clarity and prevent errors. This lesson helps you apply these techniques in both arrow and regular function components using practical examples.
We'll cover the following...
One of the most beneficial parts of using TypeScript with React is the ability to have strongly-typed component props. This allows developers using the component to quickly understand what they can pass and helps them avoid making mistakes.
Specifying a type for function component props #
In this section, we will create a React Hello component that has a simple prop for who to say hello to. We will explore two different ways of strongly-typing the component props.
We are going to use CodeSandbox to explore this topic. So, let’s open the CodeSandbox project by clicking the following link:
Can you spot a problem with the Hello component at the ...