Update vendored topbar

assets/vendor/topbar.js

@@ -1,39 +1,12 @@
 /**
  * @license MIT
- * topbar 2.0.0, 2023-02-04
+ * topbar 3.0.0
- * https://buunguyen.github.io/topbar
+ * http://buunguyen.github.io/topbar
- * Copyright (c) 2021 Buu Nguyen
+ * Copyright (c) 2024 Buu Nguyen
  */
 (function (window, document) {
   "use strict";
 
-  // https://gist.github.com/paulirish/1579671
-  (function () {
-    var lastTime = 0;
-    var vendors = ["ms", "moz", "webkit", "o"];
-    for (var x = 0; x < vendors.length && !window.requestAnimationFrame; ++x) {
-      window.requestAnimationFrame =
-        window[vendors[x] + "RequestAnimationFrame"];
-      window.cancelAnimationFrame =
-        window[vendors[x] + "CancelAnimationFrame"] ||
-        window[vendors[x] + "CancelRequestAnimationFrame"];
-    }
-    if (!window.requestAnimationFrame)
-      window.requestAnimationFrame = function (callback, element) {
-        var currTime = new Date().getTime();
-        var timeToCall = Math.max(0, 16 - (currTime - lastTime));
-        var id = window.setTimeout(function () {
-          callback(currTime + timeToCall);
-        }, timeToCall);
-        lastTime = currTime + timeToCall;
-        return id;
-      };
-    if (!window.cancelAnimationFrame)
-      window.cancelAnimationFrame = function (id) {
-        clearTimeout(id);
-      };
-  })();
-
   var canvas,
     currentProgress,
     showing,
@@ -88,7 +61,6 @@
       style.zIndex = 100001;
       style.display = "none";
       if (options.className) canvas.classList.add(options.className);
-      document.body.appendChild(canvas);
       addEvent(window, "resize", repaint);
     },
     topbar = {
@@ -101,10 +73,11 @@
         if (delay) {
           if (delayTimerId) return;
           delayTimerId = setTimeout(() => topbar.show(), delay);
-        } else  {
+        } else {
           showing = true;
           if (fadeTimerId !== null) window.cancelAnimationFrame(fadeTimerId);
           if (!canvas) createCanvas();
+          if (!canvas.parentElement) document.body.appendChild(canvas);
           canvas.style.opacity = 1;
           canvas.style.display = "block";
           topbar.progress(0);