refactor: migrate to vite and restructure repo

Co-authored-by: Ona <no-reply@ona.com>

apps/drive-web/src/components/theme-provider.tsx

@@ -0,0 +1,74 @@
+import { createContext, useContext, useEffect, useState } from "react"
+
+type Theme = "dark" | "light" | "system"
+
+type ThemeProviderProps = {
+	children: React.ReactNode
+	defaultTheme?: Theme
+	storageKey?: string
+}
+
+type ThemeProviderState = {
+	theme: Theme
+	setTheme: (theme: Theme) => void
+}
+
+const initialState: ThemeProviderState = {
+	theme: "system",
+	setTheme: () => null,
+}
+
+const ThemeProviderContext = createContext<ThemeProviderState>(initialState)
+
+export function ThemeProvider({
+	children,
+	defaultTheme = "system",
+	storageKey = "vite-ui-theme",
+	...props
+}: ThemeProviderProps) {
+	const [theme, setTheme] = useState<Theme>(
+		() => (localStorage.getItem(storageKey) as Theme) || defaultTheme,
+	)
+
+	useEffect(() => {
+		const root = window.document.documentElement
+
+		root.classList.remove("light", "dark")
+
+		if (theme === "system") {
+			const systemTheme = window.matchMedia(
+				"(prefers-color-scheme: dark)",
+			).matches
+				? "dark"
+				: "light"
+
+			root.classList.add(systemTheme)
+			return
+		}
+
+		root.classList.add(theme)
+	}, [theme])
+
+	const value = {
+		theme,
+		setTheme: (theme: Theme) => {
+			localStorage.setItem(storageKey, theme)
+			setTheme(theme)
+		},
+	}
+
+	return (
+		<ThemeProviderContext.Provider {...props} value={value}>
+			{children}
+		</ThemeProviderContext.Provider>
+	)
+}
+
+export function useTheme() {
+	const context = useContext(ThemeProviderContext)
+
+	if (!context)
+		throw new Error("useTheme must be used within a ThemeProvider")
+
+	return context
+}