33 lines
1.0 KiB
JavaScript
Executable File
33 lines
1.0 KiB
JavaScript
Executable File
/* Function for setting the theme */
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(function(){
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const root = document.documentElement;
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const storageKey = "theme";
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const themes = ["light", "dark", "dark-academia"];
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const labels = {
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"light": "Light",
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"dark": "Dark",
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"dark-academia": "Academia"
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};
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const saved = localStorage.getItem(storageKey);
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if (themes.includes(saved)) {
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root.setAttribute("data-theme", saved);
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}
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const btn = document.getElementById("theme-toggle");
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if (!btn) return;
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const updateButton = () => {
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const current = root.getAttribute("data-theme");
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const label = labels[current] || "Auto";
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btn.textContent = `Theme: ${label}`;
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btn.setAttribute("aria-label", `Current theme: ${label}. Switch theme.`);
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};
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updateButton();
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btn.addEventListener("click", () => {
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const current = root.getAttribute("data-theme");
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const index = themes.indexOf(current);
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const target = themes[index === -1 ? 1 : (index + 1) % themes.length];
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root.setAttribute("data-theme", target);
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localStorage.setItem(storageKey, target);
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updateButton();
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});
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})();
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