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Theme toggle added #27

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23 changes: 21 additions & 2 deletions src/app/layout.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -15,8 +15,27 @@ export default function RootLayout({
children: React.ReactNode;
}>) {
return (
<html lang="en">
<body className={inter.className}>{children}</body>
<html lang="en" suppressHydrationWarning>
<body className={inter.className}>
{/* Set theme before React hydration to prevent FOUC */}
<script
dangerouslySetInnerHTML={{
__html: `
(function() {
try {
var stored = localStorage.getItem('theme');
var prefersDark = window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
var theme = stored || (prefersDark ? 'dark' : 'light');
var root = document.documentElement;
if (theme === 'dark') root.classList.add('dark');
else root.classList.remove('dark');
} catch (e) {}
})();
`,
}}
/>
{children}
</body>
</html>
);
}
5 changes: 5 additions & 0 deletions src/components/nav.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import { useState, useEffect } from "react";
import { GitHubStarsButton } from '@/components/animate-ui/buttons/github-stars';
import { useRouter } from "next/navigation";
import { supabase } from "@/lib/supabaseclient";
import ThemeToggle from "@/components/theme-toggle";

export function NavbarDemo() {
const navItems = [
Expand Down Expand Up @@ -59,6 +60,8 @@ export function NavbarDemo() {
<NavItems items={navItems} />
<div className="flex items-center gap-4">
<GitHubStarsButton username="kris70lesgo" repo="s1" />
{/* Theme toggle allows users to switch light/dark mode */}
<ThemeToggle />
{user === null && (
<NavbarButton variant="secondary" onClick={() => router.push('/sign')}>Login</NavbarButton>
)}
Expand Down Expand Up @@ -99,6 +102,8 @@ export function NavbarDemo() {
Login
</NavbarButton>
)}
{/* Mobile theme toggle */}
<ThemeToggle />
</div>
</MobileNavMenu>
</MobileNav>
Expand Down
48 changes: 48 additions & 0 deletions src/components/theme-toggle.tsx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
"use client";
import { useEffect, useState } from "react";
import { Moon, Sun } from "lucide-react";

// Simple theme toggler that updates the <html> class and persists preference
export default function ThemeToggle() {
const [theme, setTheme] = useState<"light" | "dark">("light");

useEffect(() => {
// Initialize from current DOM (set by inline script) or system
const isDark = document.documentElement.classList.contains("dark");
setTheme(isDark ? "dark" : "light");
}, []);

const toggle = () => {
const next = theme === "dark" ? "light" : "dark";
setTheme(next);

const root = document.documentElement;
if (next === "dark") root.classList.add("dark");
else root.classList.remove("dark");

try {
localStorage.setItem("theme", next);
} catch {}
};

return (
<button
type="button"
onClick={toggle}
aria-label="Toggle theme"
className="inline-flex items-center gap-2 rounded-md border border-border px-3 py-1.5 text-sm hover:bg-secondary/60 dark:hover:bg-secondary/40 transition-colors"
>
{theme === "dark" ? (
<>
<Sun className="h-4 w-4" />
<span>Light</span>
</>
) : (
<>
<Moon className="h-4 w-4" />
<span>Dark</span>
</>
)}
</button>
);
}