docs/scripts/day-night-switch.js


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function setTheme(theme) {
  const dark = document.getElementById("dark-style");
  if (theme === "dark") {
    dark.disabled = false;
  } else {
    dark.disabled = true;
  }
  localStorage.setItem("theme", theme);
}

function toggleTheme() {
  const currentTheme = localStorage.getItem("theme") || "light";
  const newTheme = currentTheme === "dark" ? "light" : "dark";
  setTheme(newTheme);
}

(function () {
  const savedTheme = localStorage.getItem("theme");
  if (savedTheme) {
    setTheme(savedTheme);
  } else {
    const prefersDark =
      window.matchMedia &&
      window.matchMedia("(prefers-color-scheme: dark)").matches;
    setTheme(prefersDark ? "dark" : "light");
  }
})();