31 lines
735 B
JavaScript
31 lines
735 B
JavaScript
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"use client";
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import { useEffect, useState } from "react";
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export default function ThemeToggle() {
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const [theme, setTheme] = useState("light");
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useEffect(() => {
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const saved = localStorage.getItem("theme") || "light";
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setTheme(saved);
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document.documentElement.setAttribute("data-theme", saved);
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}, []);
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function toggle() {
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const next = theme === "dark" ? "light" : "dark";
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setTheme(next);
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document.documentElement.setAttribute("data-theme", next);
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localStorage.setItem("theme", next);
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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="theme-btn"
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aria-label="Cambiar tema"
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suppressHydrationWarning
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>
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{theme === "dark" ? "☀" : "🌙"}
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</button>
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);
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}
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