ali-sabry
/ IntersectionObserver.js
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April 5, 2023 04:48
The useIntersectionObserver react custom Hook enables detection of an element's visibility on the screen, allowing for lazy loading of content like images, improving page load times and performance.
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| //=== Craete The Custom Hook | |
| import { useState, useEffect } from 'react'; | |
| const useIntersectionObserver = (ref, options) => { | |
| const [isIntersecting, setIsIntersecting] = useState(false); | |
| useEffect(() => { | |
| const observer = new IntersectionObserver(([entry]) => { | |
| setIsIntersecting(entry.isIntersecting); | |
| }, options); |
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