33 lines
984 B
TypeScript
33 lines
984 B
TypeScript
|
import { useState, useEffect } from 'react';
|
||
|
|
|
||
|
|
export default function useWindowSize() {
|
||
|
|
// 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({
|
||
|
|
width: undefined,
|
||
|
|
height: undefined,
|
||
|
|
});
|
||
|
|
|
||
|
|
useEffect(() => {
|
||
|
|
// Handler to call on window resize
|
||
|
|
function 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;
|
||
|
|
}
|
