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[examples] Fix vite example & add dark mode support (#340)
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51 changes: 51 additions & 0 deletions
51
examples/pigment-css-vite-ts/src/components/ColorSchemeProvider.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| import * as React from 'react'; | ||
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| const ColorSchemeContext = React.createContext<{ | ||
| colorScheme: string; | ||
| setColorScheme: React.Dispatch<React.SetStateAction<string>>; | ||
| }>({ | ||
| colorScheme: 'light', | ||
| setColorScheme: () => '', | ||
| }); | ||
|
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| export function ColorSchemeProvider({ | ||
| colorScheme: initialColorScheme, | ||
| children, | ||
| }: React.PropsWithChildren<{ colorScheme: string }>) { | ||
| const [colorScheme, setColorScheme] = React.useState<string>(initialColorScheme); | ||
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| const contextValue = React.useMemo( | ||
| () => ({ colorScheme, setColorScheme }), | ||
| [colorScheme, setColorScheme], | ||
| ); | ||
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| // Set the colorScheme in localStorage | ||
| React.useEffect(() => { | ||
| localStorage.setItem('colorScheme', colorScheme); | ||
| }, [colorScheme]); | ||
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| // Handle when localStorage has changed | ||
| React.useEffect(() => { | ||
| const handleStorage = (event: StorageEvent) => { | ||
| const value = event.newValue; | ||
| if ( | ||
| typeof event.key === 'string' && | ||
| event.key === 'colorScheme' && | ||
| typeof value === 'string' | ||
| ) { | ||
| setColorScheme(value); | ||
| } | ||
| }; | ||
| // For syncing color-scheme changes between iframes | ||
| window.addEventListener('storage', handleStorage); | ||
| return () => { | ||
| window.removeEventListener('storage', handleStorage); | ||
| }; | ||
| }, [setColorScheme]); | ||
|
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| return <ColorSchemeContext.Provider value={contextValue}>{children}</ColorSchemeContext.Provider>; | ||
| } | ||
|
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| export const useColorScheme = () => { | ||
| return React.useContext(ColorSchemeContext); | ||
| }; |
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