mirror of
https://github.com/NVIDIA/dgx-spark-playbooks.git
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63 lines
2.4 KiB
TypeScript
63 lines
2.4 KiB
TypeScript
/*
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# SPDX-FileCopyrightText: Copyright (c) 1993-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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# SPDX-License-Identifier: Apache-2.0
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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*/
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"use client";
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import { useState, useEffect } from 'react';
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export default function ThemeToggle() {
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const [isDark, setIsDark] = useState(false);
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useEffect(() => {
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// Check if user has a theme preference
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const isDarkMode = localStorage.getItem('theme') === 'dark' ||
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(!localStorage.getItem('theme') && window.matchMedia('(prefers-color-scheme: dark)').matches);
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setIsDark(isDarkMode);
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if (isDarkMode) {
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document.documentElement.classList.add('dark');
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}
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}, []);
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const toggleTheme = () => {
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setIsDark(!isDark);
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if (!isDark) {
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document.documentElement.classList.add('dark');
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localStorage.setItem('theme', 'dark');
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} else {
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document.documentElement.classList.remove('dark');
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localStorage.setItem('theme', 'light');
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}
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};
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return (
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<button
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onClick={toggleTheme}
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className="fixed top-4 right-4 p-2 rounded-full bg-white dark:bg-gray-800 shadow-lg hover:shadow-xl transition-all duration-200 z-50"
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aria-label="Toggle theme"
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>
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{isDark ? (
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<svg className="w-6 h-6 text-yellow-500" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M12 3v1m0 16v1m9-9h-1M4 12H3m15.364 6.364l-.707-.707M6.343 6.343l-.707-.707m12.728 0l-.707.707M6.343 17.657l-.707.707M16 12a4 4 0 11-8 0 4 4 0 018 0z" />
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</svg>
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) : (
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<svg className="w-6 h-6 text-gray-700" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M20.354 15.354A9 9 0 018.646 3.646 9.003 9.003 0 0012 21a9.003 9.003 0 008.354-5.646z" />
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</svg>
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)}
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</button>
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);
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}
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