Benefits of using Typescript with React #1: You get compile time prop validation and auto completion. This is especially helpful when working with a 3rd party UI library that you aren't 100% familiar with yet.
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import React from 'react'; | |
interface IImage { | |
alt: string; | |
src: string; | |
} | |
interface IGalleryProps { | |
images: IImage[] | |
} | |
const Gallery: React.FC<IGalleryProps> = ({ images }) => ( | |
<div> | |
{ images.map(image => <img src={image.src} alt={image.alt} />)} | |
</div> | |
) | |
const badImages = [{ | |
src: 'https://via.placeholder.com/150', | |
}, { | |
src: 'https://via.placeholder.com/150', | |
}] | |
const images = [{ | |
src: 'https://via.placeholder.com/150', | |
alt: 'An example alt' | |
}, { | |
src: 'https://via.placeholder.com/150', | |
alt: 'Another example alt' | |
}] | |
const App: React.FC = () => { | |
return ( | |
<div className="App"> | |
<Gallery images={images}/> | |
</div> | |
) | |
} | |
export default App; |
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