akramsaouri
/ react-lazy-img-io.ts
Last active
July 24, 2024 04:19
⚛️ Lazy load images in React with IntersectionObserver.
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| import React, { useEffect, useRef, FunctionComponent, HTMLProps } from 'react'; | |
| import 'intersection-observer'; // if you want to include a polyfill | |
| /** | |
| * Returns an IntersectionObserver that loads the image | |
| * when it is at least {threshold}*100 visible in the viewport. | |
| * | |
| * PS: Cached on the window for performance | |
| */ | |
| function getImageLoaderObserver( |