homepage

Brown Markup Library

useWindowDimensions

Useful for when you need to dynamically set elements based on the window size.


TypeScript & JavaScript

import { useState, useEffect } from 'react';

export default function useWindowDimensions() { const [windowDimensions, setWindowDimensions] = useState({ width: 0, height: 0}); useEffect(() => { function getWindowDimensions() { const { innerWidth: width, innerHeight: height } = window; return { width, height }; } setWindowDimensions(getWindowDimensions()); function handleResize() { setWindowDimensions(getWindowDimensions()); } window.addEventListener('resize', handleResize); return () => window.removeEventListener('resize', handleResize); }, []); return windowDimensions; }