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import { useTheme } from 'next-themes';
import { useCallback, type ChangeEvent, type FC } from 'react';
import { useIntl } from 'react-intl';
import { Icon, Legend } from '../../../atoms';
import {
Switch,
type SwitchOption,
type SwitchProps,
} from '../../../molecules';
export type ThemeToggleProps = Omit<
SwitchProps,
'isInline' | 'items' | 'name' | 'onSwitch' | 'value'
>;
/**
* ThemeToggle component
*
* Render a Toggle component to set theme.
*/
export const ThemeToggle: FC<ThemeToggleProps> = (props) => {
const intl = useIntl();
const { resolvedTheme, setTheme } = useTheme();
const isDarkTheme = resolvedTheme === 'dark';
const updateTheme = useCallback(
(e: ChangeEvent<HTMLInputElement>) => {
setTheme(e.target.value === 'light' ? 'light' : 'dark');
},
[setTheme]
);
const themeLabel = intl.formatMessage({
defaultMessage: 'Theme:',
description: 'ThemeToggle: theme label',
id: 'suXOBu',
});
const lightThemeLabel = intl.formatMessage({
defaultMessage: 'Light theme',
description: 'ThemeToggle: light theme label',
id: 'Ygea7s',
});
const darkThemeLabel = intl.formatMessage({
defaultMessage: 'Dark theme',
description: 'ThemeToggle: dark theme label',
id: '2QwvtS',
});
const options: [SwitchOption, SwitchOption] = [
{
id: 'theme-light',
label: (
<>
<span className="screen-reader-text">{lightThemeLabel}</span>
<Icon shape="sun" />
</>
),
value: 'light',
},
{
id: 'theme-dark',
label: (
<>
<span className="screen-reader-text">{darkThemeLabel}</span>
<Icon shape="moon" />
</>
),
value: 'dark',
},
];
return (
<Switch
{...props}
isInline
items={options}
legend={<Legend>{themeLabel}</Legend>}
name="theme"
onSwitch={updateTheme}
value={isDarkTheme ? 'dark' : 'light'}
/>
);
};
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