37 lines
835 B
TypeScript
37 lines
835 B
TypeScript
// Copyright 2017-2021 @polkadot/react-hooks authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import { useEffect, useState } from 'react';
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import { createNamedHook } from './createNamedHook';
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export interface WindowSize {
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width: number;
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height: number;
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}
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function useWindowSizeImpl (): WindowSize {
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const [windowSize, setWindowSize] = useState<WindowSize>({
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height: 0,
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width: 0
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});
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useEffect(() => {
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function handleResize () {
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setWindowSize({
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height: window.innerHeight,
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width: window.innerWidth
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});
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}
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window.addEventListener('resize', handleResize);
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handleResize();
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return () => window.removeEventListener('resize', handleResize);
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}, []);
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return windowSize;
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}
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export const useWindowSize = createNamedHook('useWindowSize', useWindowSizeImpl);
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