home/theme.js at main · devkoriel/home · GitHub

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// Shared theme toggle logic — include at end of <body>
(function(){
  "use strict";

  var toggle = document.getElementById("themeToggle");
  if (!toggle) return;

  var sun = '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="5"/><line x1="12" y1="1" x2="12" y2="3"/><line x1="12" y1="21" x2="12" y2="23"/><line x1="4.22" y1="4.22" x2="5.64" y2="5.64"/><line x1="18.36" y1="18.36" x2="19.78" y2="19.78"/><line x1="1" y1="12" x2="3" y2="12"/><line x1="21" y1="12" x2="23" y2="12"/><line x1="4.22" y1="19.78" x2="5.64" y2="18.36"/><line x1="18.36" y1="5.64" x2="19.78" y2="4.22"/></svg>';
  var moon = '<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M21 12.79A9 9 0 1 1 11.21 3 7 7 0 0 0 21 12.79z"/></svg>';

  function isDark() {
    var t = document.documentElement.getAttribute("data-theme");
    if (t) return t === "dark";
    return window.matchMedia("(prefers-color-scheme:dark)").matches;
  }

  function setIcon() { toggle.innerHTML = isDark() ? sun : moon; }
  setIcon();

  toggle.addEventListener("click", function() {
    var next = isDark() ? "light" : "dark";
    document.documentElement.setAttribute("data-theme", next);
    localStorage.setItem("theme", next);
    setIcon();
  });
})();