3ee1974021
- Theme icon now uses dark:hidden/dark:block CSS classes instead of JS state, eliminating the flash on hydration entirely - Remove useSyncExternalStore mounted pattern (no longer needed) - Add theme-color meta tag updated by blocking script and toggle for iOS Safari status bar - Revert body fade-in animation (not needed with CSS-only icons)
77 lines
2.2 KiB
TypeScript
77 lines
2.2 KiB
TypeScript
"use client";
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import { useTheme } from "next-themes";
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import { flushSync } from "react-dom";
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export function ThemeToggle() {
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const { resolvedTheme, setTheme } = useTheme();
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const toggle = () => {
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const next = resolvedTheme === "dark" ? "light" : "dark";
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const apply = () => {
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setTheme(next);
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const meta = document.querySelector('meta[name="theme-color"]');
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if (meta) meta.setAttribute("content", next === "dark" ? "#0a0a0a" : "#fafafa");
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};
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if (
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!document.startViewTransition ||
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window.matchMedia("(prefers-reduced-motion: reduce)").matches
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) {
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apply();
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return;
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}
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document.startViewTransition(() => {
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flushSync(apply);
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});
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};
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return (
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<button
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onClick={toggle}
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className="inline-flex h-9 w-9 items-center justify-center text-muted hover:text-foreground transition-colors cursor-pointer"
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aria-label="Toggle theme"
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>
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{/* Sun icon — visible in dark mode, hidden in light mode */}
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<svg
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width="16"
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height="16"
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viewBox="0 0 24 24"
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fill="none"
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stroke="currentColor"
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strokeWidth="1.5"
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strokeLinecap="round"
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strokeLinejoin="round"
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className="hidden dark:block"
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aria-hidden="true"
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>
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<circle cx="12" cy="12" r="5" />
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<line x1="12" y1="1" x2="12" y2="3" />
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<line x1="12" y1="21" x2="12" y2="23" />
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<line x1="4.22" y1="4.22" x2="5.64" y2="5.64" />
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<line x1="18.36" y1="18.36" x2="19.78" y2="19.78" />
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<line x1="1" y1="12" x2="3" y2="12" />
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<line x1="21" y1="12" x2="23" y2="12" />
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<line x1="4.22" y1="19.78" x2="5.64" y2="18.36" />
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<line x1="18.36" y1="5.64" x2="19.78" y2="4.22" />
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</svg>
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{/* Moon icon — visible in light mode, hidden in dark mode */}
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<svg
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width="16"
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height="16"
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viewBox="0 0 24 24"
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fill="none"
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stroke="currentColor"
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strokeWidth="1.5"
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strokeLinecap="round"
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strokeLinejoin="round"
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className="block dark:hidden"
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aria-hidden="true"
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>
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<path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z" />
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</svg>
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</button>
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);
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}
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