RE

React Intersection Observer

react-intersection-observer

Monitor if a component is inside the viewport, using IntersectionObserver API

Hooks
react
component
hooks
viewport
intersection
observer
lazy load
inview
useInView
useIntersectionObserver
Stars
5.5k
Weekly
4.3M
Open issues
0
Bundle
~25 kB

Installation

npm install react-intersection-observer

Code example

import { useIntersectionObserver } from "react-intersection-observer";

export function Example() {
  const value = useIntersectionObserver();
  return <p>{String(value)}</p>;
}

Pros & cons

Pros

  • Actively maintained by Daniel Schmidt
  • 4.3M weekly downloads. Battle tested
  • First-class TypeScript definitions
  • MIT licensed

Considerations

  • Adds roughly ~25 kB to your bundle
  • Needs client-only rendering in SSR frameworks
  • Not supported in React Native
  • 0 open issues on GitHub

FAQs

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