From 7bc12d98d08f9d82399e4a359437be29741f8166 Mon Sep 17 00:00:00 2001
From: Graham McIntire <graham@mcintire.me>
Date: Sat, 5 Jul 2025 13:20:36 -0500
Subject: [PATCH] topbar vendor

---
 assets/vendor/topbar.js | 133 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 132 insertions(+), 1 deletion(-)

diff --git a/assets/vendor/topbar.js b/assets/vendor/topbar.js
index 96fd42e..0552337 100644
--- a/assets/vendor/topbar.js
+++ b/assets/vendor/topbar.js
@@ -4,4 +4,135 @@
  * http://buunguyen.github.io/topbar
  * Copyright (c) 2024 Buu Nguyen
  */
-(function(window,document){"use strict";function repaint(){canvas.width=window.innerWidth,canvas.height=5*options.barThickness;var ctx=canvas.getContext("2d");ctx.shadowBlur=options.shadowBlur,ctx.shadowColor=options.shadowColor;var stop,lineGradient=ctx.createLinearGradient(0,0,canvas.width,0);for(stop in options.barColors)lineGradient.addColorStop(stop,options.barColors[stop]);ctx.lineWidth=options.barThickness,ctx.beginPath(),ctx.moveTo(0,options.barThickness/2),ctx.lineTo(Math.ceil(currentProgress*canvas.width),options.barThickness/2),ctx.strokeStyle=lineGradient,ctx.stroke()}var canvas,currentProgress,showing,progressTimerId=null,fadeTimerId=null,delayTimerId=null,options={autoRun:!0,barThickness:3,barColors:{0:"rgba(26,  188, 156, .9)",".25":"rgba(52,  152, 219, .9)",".50":"rgba(241, 196, 15,  .9)",".75":"rgba(230, 126, 34,  .9)","1.0":"rgba(211, 84,  0,   .9)"},shadowBlur:10,shadowColor:"rgba(0,   0,   0,   .6)",className:null},topbar={config:function(opts){for(var key in opts)options.hasOwnProperty(key)&&(options[key]=opts[key])},show:function(handler){var type,elem;showing||(handler?delayTimerId=delayTimerId||setTimeout(()=>topbar.show(),handler):(showing=!0,null!==fadeTimerId&&window.cancelAnimationFrame(fadeTimerId),canvas||((elem=(canvas=document.createElement("canvas")).style).position="fixed",elem.top=elem.left=elem.right=elem.margin=elem.padding=0,elem.zIndex=100001,elem.display="none",options.className&&canvas.classList.add(options.className),type="resize",handler=repaint,(elem=window).addEventListener?elem.addEventListener(type,handler,!1):elem.attachEvent?elem.attachEvent("on"+type,handler):elem["on"+type]=handler),canvas.parentElement||document.body.appendChild(canvas),canvas.style.opacity=1,canvas.style.display="block",topbar.progress(0),options.autoRun&&function loop(){progressTimerId=window.requestAnimationFrame(loop),topbar.progress("+"+.05*Math.pow(1-Math.sqrt(currentProgress),2))}()))},progress:function(to){return void 0===to||("string"==typeof to&&(to=(0<=to.indexOf("+")||0<=to.indexOf("-")?currentProgress:0)+parseFloat(to)),currentProgress=1<to?1:to,repaint()),currentProgress},hide:function(){clearTimeout(delayTimerId),delayTimerId=null,showing&&(showing=!1,null!=progressTimerId&&(window.cancelAnimationFrame(progressTimerId),progressTimerId=null),function loop(){return 1<=topbar.progress("+.1")&&(canvas.style.opacity-=.05,canvas.style.opacity<=.05)?(canvas.style.display="none",void(fadeTimerId=null)):void(fadeTimerId=window.requestAnimationFrame(loop))}())}};"object"==typeof module&&"object"==typeof module.exports?module.exports=topbar:"function"==typeof define&&define.amd?define(function(){return topbar}):this.topbar=topbar}).call(this,window,document);
\ No newline at end of file
+(function (window, document) {
+  "use strict";
+
+  var canvas,
+    currentProgress,
+    showing,
+    progressTimerId = null,
+    fadeTimerId = null,
+    delayTimerId = null,
+    addEvent = function (elem, type, handler) {
+      if (elem.addEventListener) elem.addEventListener(type, handler, false);
+      else if (elem.attachEvent) elem.attachEvent("on" + type, handler);
+      else elem["on" + type] = handler;
+    },
+    options = {
+      autoRun: true,
+      barThickness: 3,
+      barColors: {
+        0: "rgba(26,  188, 156, .9)",
+        ".25": "rgba(52,  152, 219, .9)",
+        ".50": "rgba(241, 196, 15,  .9)",
+        ".75": "rgba(230, 126, 34,  .9)",
+        "1.0": "rgba(211, 84,  0,   .9)",
+      },
+      shadowBlur: 10,
+      shadowColor: "rgba(0,   0,   0,   .6)",
+      className: null,
+    },
+    repaint = function () {
+      canvas.width = window.innerWidth;
+      canvas.height = options.barThickness * 5; // need space for shadow
+
+      var ctx = canvas.getContext("2d");
+      ctx.shadowBlur = options.shadowBlur;
+      ctx.shadowColor = options.shadowColor;
+
+      var lineGradient = ctx.createLinearGradient(0, 0, canvas.width, 0);
+      for (var stop in options.barColors)
+        lineGradient.addColorStop(stop, options.barColors[stop]);
+      ctx.lineWidth = options.barThickness;
+      ctx.beginPath();
+      ctx.moveTo(0, options.barThickness / 2);
+      ctx.lineTo(
+        Math.ceil(currentProgress * canvas.width),
+        options.barThickness / 2
+      );
+      ctx.strokeStyle = lineGradient;
+      ctx.stroke();
+    },
+    createCanvas = function () {
+      canvas = document.createElement("canvas");
+      var style = canvas.style;
+      style.position = "fixed";
+      style.top = style.left = style.right = style.margin = style.padding = 0;
+      style.zIndex = 100001;
+      style.display = "none";
+      if (options.className) canvas.classList.add(options.className);
+      addEvent(window, "resize", repaint);
+    },
+    topbar = {
+      config: function (opts) {
+        for (var key in opts)
+          if (options.hasOwnProperty(key)) options[key] = opts[key];
+      },
+      show: function (delay) {
+        if (showing) return;
+        if (delay) {
+          if (delayTimerId) return;
+          delayTimerId = setTimeout(() => topbar.show(), delay);
+        } 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);
+          if (options.autoRun) {
+            (function loop() {
+              progressTimerId = window.requestAnimationFrame(loop);
+              topbar.progress(
+                "+" + 0.05 * Math.pow(1 - Math.sqrt(currentProgress), 2)
+              );
+            })();
+          }
+        }
+      },
+      progress: function (to) {
+        if (typeof to === "undefined") return currentProgress;
+        if (typeof to === "string") {
+          to =
+            (to.indexOf("+") >= 0 || to.indexOf("-") >= 0
+              ? currentProgress
+              : 0) + parseFloat(to);
+        }
+        currentProgress = to > 1 ? 1 : to;
+        repaint();
+        return currentProgress;
+      },
+      hide: function () {
+        clearTimeout(delayTimerId);
+        delayTimerId = null;
+        if (!showing) return;
+        showing = false;
+        if (progressTimerId != null) {
+          window.cancelAnimationFrame(progressTimerId);
+          progressTimerId = null;
+        }
+        (function loop() {
+          if (topbar.progress("+.1") >= 1) {
+            canvas.style.opacity -= 0.05;
+            if (canvas.style.opacity <= 0.05) {
+              canvas.style.display = "none";
+              fadeTimerId = null;
+              return;
+            }
+          }
+          fadeTimerId = window.requestAnimationFrame(loop);
+        })();
+      },
+    };
+
+  if (typeof module === "object" && typeof module.exports === "object") {
+    module.exports = topbar;
+  } else if (typeof define === "function" && define.amd) {
+    define(function () {
+      return topbar;
+    });
+  } else {
+    this.topbar = topbar;
+  }
+}.call(this, window, document));