From 11b098b93a565bc5b0da932e26ffce589ce10d67 Mon Sep 17 00:00:00 2001
From: Paul Cramer <paulccramer@gmail.com>
Date: Tue, 27 Aug 2024 16:51:36 -0700
Subject: [PATCH] Add playground light and dark modes

---
 .../nextjs-app-router/components/Demo.tsx     | 21 ++++++++++++++++---
 .../nextjs-app-router/tailwind.config.ts      |  2 ++
 tailwind.config.js                            |  1 +
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/playground/nextjs-app-router/components/Demo.tsx b/playground/nextjs-app-router/components/Demo.tsx
index efff0b6275..0a286cd607 100644
--- a/playground/nextjs-app-router/components/Demo.tsx
+++ b/playground/nextjs-app-router/components/Demo.tsx
@@ -1,9 +1,8 @@
-'use client';
+import { useContext, useEffect, useState } from 'react';
 import { AppContext, OnchainKitComponent } from '@/components/AppProvider';
 import { Chain } from '@/components/form/chain';
 import { PaymasterUrl } from '@/components/form/paymaster';
 import { WalletType } from '@/components/form/wallet-type';
-import { useContext, useEffect } from 'react';
 import IdentityDemo from './demo/Identity';
 import SwapDemo from './demo/Swap';
 import TransactionDemo from './demo/Transaction';
@@ -12,15 +11,31 @@ import { ActiveComponent } from './form/active-component';
 
 function Demo() {
   const { activeComponent } = useContext(AppContext);
+  const [isDarkMode, setIsDarkMode] = useState(true);
+
   useEffect(() => {
     console.log('Playground.activeComponent:', activeComponent);
   }, [activeComponent]);
 
+  useEffect(() => {
+    document.documentElement.classList.toggle('dark', isDarkMode);
+  }, [isDarkMode]);
+
+  const toggleDarkMode = () => {
+    setIsDarkMode(!isDarkMode);
+  };
+
   return (
     <>
       <div className="hidden w-1/4 min-w-120 flex-col border-r bg-background p-6 sm:flex">
         <div className="mb-12 font-semibold text-lg">OnchainKit Playground</div>
-        <form className="grid gap-8">
+        <button
+          onClick={toggleDarkMode}
+          className='rounded border border-gray-300 bg-white px-3 py-2 text-black transition-colors hover:bg-gray-100 dark:border-gray-600 dark:bg-gray-800 dark:text-white dark:hover:bg-gray-700'
+        >
+          {isDarkMode ? 'Switch to Light Mode' : 'Switch to Dark Mode'}
+        </button>
+        <form className='mt-4 grid gap-8'>
           <ActiveComponent />
           <WalletType />
           <Chain />
diff --git a/playground/nextjs-app-router/tailwind.config.ts b/playground/nextjs-app-router/tailwind.config.ts
index f9a2bac218..50d7d4b26e 100644
--- a/playground/nextjs-app-router/tailwind.config.ts
+++ b/playground/nextjs-app-router/tailwind.config.ts
@@ -6,6 +6,8 @@ const config: Config = {
     './components/**/*.{js,ts,jsx,tsx,mdx}',
     './app/**/*.{js,ts,jsx,tsx,mdx}',
   ],
+  darkMode: ['class'],
+  safelist: ['dark'],
   theme: {
     extend: {
       backgroundImage: {
diff --git a/tailwind.config.js b/tailwind.config.js
index 3762c3625e..6f7fd72469 100644
--- a/tailwind.config.js
+++ b/tailwind.config.js
@@ -1,6 +1,7 @@
 /** @type {import('tailwindcss').Config} */
 export default {
   content: ['./src/**/*.{ts,tsx}'],
+  darkMode: ['class'],
   safelist: ['dark'],
   theme: {
     fontFamily: {