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Implement persisted light/dark theme toggle in Settings #309

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Merged
Lakes41 merged 3 commits into from
Jul 27, 2026
Merged

Implement persisted light/dark theme toggle in Settings #309

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c128b46
addition of global theme provider, addition of theme preference contr…
Leyrioh7 Jul 26, 2026
83d2515
minimal changes to layout, sidebar and header to reflect dark mode co…
Leyrioh7 Jul 26, 2026
aa5a374
modifications to tsconfig.json across different paths, page.tsx under…
Leyrioh7 Jul 27, 2026
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1 change: 1 addition & 0 deletions apps/access-api/tsconfig.json
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
"outDir": "dist",
"composite": false,
"baseUrl": ".",
"ignoreDeprecations": "6.0",
"paths": {
"@/*": ["./src/*"]
}
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93 changes: 93 additions & 0 deletions apps/dashboard/ThemeProvider.tsx
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Original file line number Diff line number Diff line change
@@ -0,0 +1,93 @@
"use client";

import {
createContext,
useCallback,
useContext,
useEffect,
useState,
} from "react";

type Theme = "light" | "dark";

type ThemeContextValue = {
theme: Theme;
setTheme: (theme: Theme) => void;
toggleTheme: () => void;
};

const ThemeContext = createContext<ThemeContextValue | undefined>(
undefined,
);

function applyTheme(theme: Theme) {
document.documentElement.classList.toggle("dark", theme === "dark");
}

export function ThemeProvider({
children,
}: {
children: React.ReactNode;
}) {
const [theme, setThemeState] = useState<Theme>("light");

useEffect(() => {
const storedTheme = window.localStorage.getItem("theme");

if (storedTheme === "light" || storedTheme === "dark") {
setThemeState(storedTheme);
applyTheme(storedTheme);
return;
}

const systemTheme = window.matchMedia(
"(prefers-color-scheme: dark)",
).matches
? "dark"
: "light";

setThemeState(systemTheme);
applyTheme(systemTheme);
}, []);

const setTheme = useCallback((newTheme: Theme) => {
setThemeState(newTheme);
window.localStorage.setItem("theme", newTheme);
applyTheme(newTheme);
}, []);

const toggleTheme = useCallback(() => {
setThemeState((currentTheme) => {
const newTheme = currentTheme === "light" ? "dark" : "light";

window.localStorage.setItem("theme", newTheme);
applyTheme(newTheme);

return newTheme;
});
}, []);

return (
<ThemeContext.Provider
value={{
theme,
setTheme,
toggleTheme,
}}
>
{children}
</ThemeContext.Provider>
);
}

export function useTheme() {
const context = useContext(ThemeContext);

if (!context) {
throw new Error(
"useTheme must be used within a ThemeProvider",
);
}

return context;
}
40 changes: 36 additions & 4 deletions apps/dashboard/app/layout.tsx
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Original file line number Diff line number Diff line change
@@ -1,22 +1,54 @@
import type { Metadata } from "next";

import "./globals.css";

import { GuildProvider } from "@/lib/guild/GuildProvider";
import { ThemeProvider } from "@/ThemeProvider";

export const metadata: Metadata = {
title: "GuildPass Dashboard",
description: "GuildPass web dashboard for managing access, passes, and communities",
description:
"GuildPass web dashboard for managing access, passes, and communities",
};

const themeScript = `
(function() {
try {
var theme = localStorage.getItem("theme");

if (theme === "dark") {
document.documentElement.classList.add("dark");
} else if (theme === "light") {
document.documentElement.classList.remove("dark");
} else if (
window.matchMedia("(prefers-color-scheme: dark)").matches
) {
document.documentElement.classList.add("dark");
}
} catch (e) {}
})();
`;

export default function RootLayout({
children,
}: Readonly<{
children: React.ReactNode;
}>) {
return (
<html lang="en">
<html lang="en" suppressHydrationWarning>
<head>
<script
dangerouslySetInnerHTML={{
__html: themeScript,
}}
/>
</head>

<body>
<GuildProvider>{children}</GuildProvider>
<ThemeProvider>
<GuildProvider>{children}</GuildProvider>
</ThemeProvider>
</body>
</html>
);
}
}
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