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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| import { useDark } from "~/lib/hooks/use-dark" | ||
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| export function AppearanceSwitch({ className = "" }: { className?: string }) { | ||
| const { toggleDark } = useDark() | ||
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| return ( | ||
| <button type="button" onClick={toggleDark} className={"flex " + className}> | ||
| <div className="i-mingcute-sun-2-line scale-100 dark:scale-0 transition-transform duration-500 rotate-0 dark:-rotate-90" /> | ||
| <div className="i-mingcute-moon-line absolute scale-0 dark:scale-100 transition-transform duration-500 rotate-90 dark:rotate-0" /> | ||
| <span className="sr-only">Toggle theme</span> | ||
| </button> | ||
| ) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| import { useLocalStorage } from "foxact/use-local-storage" | ||
| import { useEffect, useMemo, useSyncExternalStore } from "react" | ||
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| const query = "(prefers-color-scheme: dark)" | ||
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| function getSnapshot() { | ||
| return window.matchMedia(query).matches | ||
| } | ||
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| function getServerSnapshot(): undefined { | ||
| return undefined | ||
| } | ||
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| function subscribe(callback: () => void) { | ||
| const matcher = window.matchMedia(query) | ||
| matcher.addEventListener("change", callback) | ||
| return () => { | ||
| matcher.removeEventListener("change", callback) | ||
| } | ||
| } | ||
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| function useSystemDark() { | ||
| return useSyncExternalStore(subscribe, getSnapshot, getServerSnapshot) | ||
| } | ||
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| const themeOptions = ["system", "light", "dark"] as const | ||
| export type Theme = (typeof themeOptions)[number] | ||
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| function isDarkMode(setting?: Theme | null, isSystemDark?: boolean) { | ||
| return setting === "dark" || (isSystemDark && setting !== "light") | ||
| } | ||
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| export function useDark(themeKey = "use-dark") { | ||
| const [theme, setTheme] = useLocalStorage<Theme>(themeKey, "system") | ||
| const isSystemDark = useSystemDark() | ||
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| const isDark = useMemo( | ||
| () => isDarkMode(theme, isSystemDark), | ||
| [isSystemDark, theme], | ||
| ) | ||
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| const toggleDark = () => { | ||
| if (theme === "system") { | ||
| setTheme(isSystemDark ? "light" : "dark") | ||
| } else { | ||
| setTheme("system") | ||
| } | ||
| } | ||
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| useEffect(() => { | ||
| const isDark = isDarkMode(theme, isSystemDark) | ||
| if (isDark) { | ||
| document.documentElement.classList.toggle("dark", true) | ||
| } else { | ||
| document.documentElement.classList.toggle("dark", false) | ||
| } | ||
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| if ( | ||
| (theme === "dark" && isSystemDark) || | ||
| (theme === "light" && !isSystemDark) | ||
| ) { | ||
| setTheme("system") | ||
| } | ||
| }, [theme, isSystemDark, setTheme]) | ||
|
|
||
| return { isDark, toggleDark } | ||
| } |
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