use-on-visible
A React hook that fires a callback when an element becomes visible
Install
npm install --save use-on-visible
Summary
useOnVisible
accepts a ref
which points to an element, a callback which fires once each time the element becomes
visible, and an array of dependecies, similar to what you would pass to
useEffect. This dependecy
list required to keep the hook performant and avoid infinite loops.
Usage
A simple example:
import React useRef from 'react';import useOnVisible from 'use-on-visible'; { const ref = ; ; return <p =>Hello world!</p>;}
A callback with dependencies:
import React useRef useState from 'react';import useOnVisible from 'use-on-visible'; { const ref = ; const count setCount = ; ; return <div> <p =>Hello world!</p> <p>Count: count </p> </div> ;}
Live demo
timhaley94.github.io/use-on-visible/
License
MIT © timhaley94