Files
outline/app/hooks/useWindowSize.ts
2022-04-17 11:00:28 -07:00

36 lines
891 B
TypeScript

import { debounce } from "lodash";
import * as React from "react";
import useEventListener from "./useEventListener";
/**
* A debounced hook that listens to the window resize event and returns the
* size of the current window.
*
* @returns An object containing width and height of the current window
*/
export default function useWindowSize() {
const [windowSize, setWindowSize] = React.useState({
width: window.innerWidth,
height: window.innerHeight,
});
const handleResize = React.useMemo(
() =>
debounce(() => {
// Set window width/height to state
setWindowSize({
width: window.innerWidth,
height: window.innerHeight,
});
}, 100),
[]
);
useEventListener("resize", handleResize);
// Call handler right away so state gets updated with initial window size
handleResize();
return windowSize;
}