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outline/app/hooks/useWindowSize.js
Tom Moor 70626ffff0
feat: Organize sidebar (#1834)
* chore: Flip chinese label in language select

* feat: Add settings to sidebar, organize secondary items to bottom
2021-01-21 07:22:20 -08:00

32 lines
774 B
JavaScript

// @flow
import { debounce } from "lodash";
import * as React from "react";
export default function useWindowSize() {
const [windowSize, setWindowSize] = React.useState({
width: undefined,
height: undefined,
});
React.useEffect(() => {
// Handler to call on window resize
const handleResize = debounce(() => {
// Set window width/height to state
setWindowSize({
width: window.innerWidth,
height: window.innerHeight,
});
}, 100);
// Add event listener
window.addEventListener("resize", handleResize);
// Call handler right away so state gets updated with initial window size
handleResize();
return () => window.removeEventListener("resize", handleResize);
}, []);
return windowSize;
}