52 lines
1.6 KiB
TypeScript
52 lines
1.6 KiB
TypeScript
import { useLayoutEffect, useState } from "react"
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function getInitialIsDark() {
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try {
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const saved = localStorage.getItem("theme")
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if (saved === "dark") return true
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if (saved === "light") return false
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} catch {}
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return window.matchMedia?.("(prefers-color-scheme: dark)").matches ?? false
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}
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export default function ThemeToggle() {
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const [isDark, setIsDark] = useState<boolean>(() => getInitialIsDark())
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useLayoutEffect(() => {
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document.documentElement.classList.toggle("dark", isDark)
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document.documentElement.style.colorScheme = isDark ? "dark" : "light"
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}, [isDark])
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const toggle = () => {
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setIsDark((prev) => {
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const next = !prev
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try {
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localStorage.setItem("theme", next ? "dark" : "light")
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} catch {}
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return next
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})
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}
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return (
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<button
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type="button"
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onClick={toggle}
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aria-label="Tema değiştir"
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className="relative inline-flex h-9 w-16 items-center rounded-full border border-border bg-surface-2 transition-colors focus:outline-none focus:ring-2 focus:ring-[var(--color-primary-ring)]"
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>
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<span
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className={`absolute left-1 inline-flex h-7 w-7 items-center justify-center rounded-full bg-surface shadow transition-transform ${
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isDark ? "translate-x-7" : "translate-x-0"
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}`}
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>
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<span className="text-sm">{isDark ? "🌙" : "☀️"}</span>
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</span>
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<span className="w-full px-2 text-xs font-semibold text-text-muted flex justify-between">
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<span className={isDark ? "opacity-40" : "opacity-100"}></span>
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<span className={isDark ? "opacity-100" : "opacity-40"}></span>
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</span>
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</button>
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)
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}
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