You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
37 lines
1.0 KiB
37 lines
1.0 KiB
import { useState, useEffect } from 'react'
|
|
|
|
export type WindowSize = {
|
|
width: number,
|
|
height: number,
|
|
}
|
|
|
|
const useWindowSize = (): WindowSize | null => {
|
|
// Initialize state with undefined width/height so server and client renders match
|
|
// Learn more here: https://joshwcomeau.com/react/the-perils-of-rehydration/
|
|
const [windowSize, setWindowSize] = useState<WindowSize | null>()
|
|
|
|
useEffect(() => {
|
|
// Handler to call on window resize
|
|
const handleResize = () => {
|
|
// Set window width/height to state
|
|
setWindowSize({
|
|
width: window.innerWidth,
|
|
height: window.innerHeight,
|
|
})
|
|
}
|
|
|
|
// Add event listener
|
|
window.addEventListener('resize', handleResize)
|
|
|
|
// Call handler right away so state gets updated with initial window size
|
|
handleResize()
|
|
|
|
// Remove event listener on cleanup
|
|
return () => window.removeEventListener('resize', handleResize)
|
|
}, []) // Empty array ensures that effect is only run on mount
|
|
|
|
return windowSize || null
|
|
}
|
|
|
|
export default useWindowSize
|