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react-code-dataset / spa-github-pages /src /ui /DarkModeButton.tsx

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	import * as React from 'react';
	import { SunIcon } from '@radix-ui/react-icons';
	import useDarkMode from 'use-dark-mode';
	import { Button } from './Button';
	import { darkThemeClass } from '../stitches.config';

	interface DarkModeButtonProps {
	css?: React.ComponentProps<typeof Button>['css'];
	}

	export const DarkModeButton: React.VFC<DarkModeButtonProps> = ({
	css,
	...props
	}) => {
	// put a try catch around localStorage so this app will work in codesandbox
	// when the user blocks third party cookies in chrome,
	// which results in a security error when useDarkMode tries to access localStorage
	// see https://github.com/codesandbox/codesandbox-client/issues/5397
	let storageProvider: any = null;
	try {
	storageProvider = localStorage;
	} catch {}
	const darkMode = useDarkMode(undefined, {
	classNameDark: darkThemeClass,
	storageProvider,
	});

	// add color-scheme style to <html> element
	// so document scroll bars will have native dark mode styling
	React.useEffect(() => {
	if (darkMode.value === true) {
	// @ts-ignore because colorScheme type not added yet
	document.documentElement.style.colorScheme = 'dark';
	} else {
	// @ts-ignore
	document.documentElement.style.colorScheme = 'light';
	}
	}, [darkMode.value]);

	return (
	<Button
	{...props}
	onClick={darkMode.toggle}
	focus="boxShadow"
	css={{
	width: '36px',
	height: '36px',
	padding: '3px',
	margin: '-3px',
	borderRadius: '50%',
	// cast as any b/c of Stitches bug: https://github.com/modulz/stitches/issues/407
	...(css as any),
	}}
	title="Toggle dark mode"
	aria-label="Toggle dark mode"
	>
	<SunIcon width="30" height="30" />
	</Button>
	);
	};