Add GoatCounter count.js component (as goat.js), MIT license logo

(mit.svg), and htmz assets (htmz.js and htmz.dev.js). Add LICENSE file
containing this project's MIT license and 3rd-party component licenses.

LICENSE

@@ -0,0 +1,38 @@
+Copyright 2026 badblocks
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the “Software”), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+This software also contains various permissively-licensed 3rd-party
+components, the licenses for which are listed below.
+
+––– public/goat.js; ISC license ––––––––––––––––––––––––––––––––––––––––––––––
+
+Copyright © Martin Tournoij <martin@arp242.net>
+
+Permission to use, copy, modify, and/or distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright notice
+and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.

public/goat.js

@@ -0,0 +1,321 @@
+// GoatCounter: https://www.goatcounter.com
+// This file is released under the ISC license: https://opensource.org/licenses/ISC
+(function () {
+  "use strict";
+
+  window.goatcounter = window.goatcounter || {};
+
+  // Load settings from data-goatcounter-settings.
+  var s = document.querySelector("script[data-goatcounter]");
+  if (s && s.dataset.goatcounterSettings) {
+    try {
+      var set = JSON.parse(s.dataset.goatcounterSettings);
+    } catch (err) {
+      console.error("invalid JSON in data-goatcounter-settings: " + err);
+    }
+    for (var k in set)
+      if (
+        [
+          "no_onload",
+          "no_events",
+          "allow_local",
+          "allow_frame",
+          "path",
+          "title",
+          "referrer",
+          "event",
+        ].indexOf(k) > -1
+      )
+        window.goatcounter[k] = set[k];
+  }
+
+  var enc = encodeURIComponent;
+
+  // Get all data we're going to send off to the counter endpoint.
+  window.goatcounter.get_data = function (vars) {
+    vars = vars || {};
+    var data = {
+      p: vars.path === undefined ? goatcounter.path : vars.path,
+      r: vars.referrer === undefined ? goatcounter.referrer : vars.referrer,
+      t: vars.title === undefined ? goatcounter.title : vars.title,
+      e: !!(vars.event || goatcounter.event),
+      s: window.screen.width,
+      b: is_bot(),
+      q: location.search,
+    };
+
+    var rcb, pcb, tcb; // Save callbacks to apply later.
+    if (typeof data.r === "function") rcb = data.r;
+    if (typeof data.t === "function") tcb = data.t;
+    if (typeof data.p === "function") pcb = data.p;
+
+    if (is_empty(data.r)) data.r = document.referrer;
+    if (is_empty(data.t)) data.t = document.title;
+    if (is_empty(data.p)) data.p = get_path();
+
+    if (rcb) data.r = rcb(data.r);
+    if (tcb) data.t = tcb(data.t);
+    if (pcb) data.p = pcb(data.p);
+    return data;
+  };
+
+  // Check if a value is "empty" for the purpose of get_data().
+  var is_empty = function (v) {
+    return v === null || v === undefined || typeof v === "function";
+  };
+
+  // See if this looks like a bot; there is some additional filtering on the
+  // backend, but these properties can't be fetched from there.
+  var is_bot = function () {
+    // Headless browsers are probably a bot.
+    var w = window,
+      d = document;
+    if (w.callPhantom || w._phantom || w.phantom) return 150;
+    if (w.__nightmare) return 151;
+    if (d.__selenium_unwrapped || d.__webdriver_evaluate || d.__driver_evaluate)
+      return 152;
+    if (navigator.webdriver) return 153;
+    return 0;
+  };
+
+  // Object to urlencoded string, starting with a ?.
+  var urlencode = function (obj) {
+    var p = [];
+    for (var k in obj)
+      if (
+        obj[k] !== "" &&
+        obj[k] !== null &&
+        obj[k] !== undefined &&
+        obj[k] !== false
+      )
+        p.push(enc(k) + "=" + enc(obj[k]));
+    return "?" + p.join("&");
+  };
+
+  // Show a warning in the console.
+  var warn = function (msg) {
+    if (console && "warn" in console) console.warn("goatcounter: " + msg);
+  };
+
+  // Get the endpoint to send requests to.
+  var get_endpoint = function () {
+    var s = document.querySelector("script[data-goatcounter]");
+    return s && s.dataset.goatcounter
+      ? s.dataset.goatcounter
+      : goatcounter.endpoint;
+  };
+
+  // Get current path.
+  var get_path = function () {
+    var loc = location,
+      c = document.querySelector('link[rel="canonical"][href]');
+    if (c) {
+      // May be relative or point to different domain.
+      var a = document.createElement("a");
+      a.href = c.href;
+      if (
+        a.hostname.replace(/^www\./, "") ===
+        location.hostname.replace(/^www\./, "")
+      )
+        loc = a;
+    }
+    return loc.pathname + loc.search || "/";
+  };
+
+  // Run function after DOM is loaded.
+  var on_load = function (f) {
+    if (document.body === null)
+      document.addEventListener(
+        "DOMContentLoaded",
+        function () {
+          f();
+        },
+        false,
+      );
+    else f();
+  };
+
+  // Filter some requests that we (probably) don't want to count.
+  window.goatcounter.filter = function () {
+    if (
+      "visibilityState" in document &&
+      document.visibilityState === "prerender"
+    )
+      return "visibilityState";
+    if (!goatcounter.allow_frame && location !== parent.location)
+      return "frame";
+    if (
+      !goatcounter.allow_local &&
+      location.hostname.match(
+        /(localhost$|^127\.|^10\.|^172\.(1[6-9]|2[0-9]|3[0-1])\.|^192\.168\.|^0\.0\.0\.0$)/,
+      )
+    )
+      return "localhost";
+    if (!goatcounter.allow_local && location.protocol === "file:")
+      return "localfile";
+    if (localStorage && localStorage.getItem("skipgc") === "t")
+      return "disabled with #toggle-goatcounter";
+    return false;
+  };
+
+  // Get URL to send to GoatCounter.
+  window.goatcounter.url = function (vars) {
+    var data = window.goatcounter.get_data(vars || {});
+    if (data.p === null)
+      // null from user callback.
+      return;
+    data.rnd = Math.random().toString(36).substr(2, 5); // Browsers don't always listen to Cache-Control.
+
+    var endpoint = get_endpoint();
+    if (!endpoint) return warn("no endpoint found");
+
+    return endpoint + urlencode(data);
+  };
+
+  // Count a hit.
+  window.goatcounter.count = function (vars) {
+    var f = goatcounter.filter();
+    if (f) return warn("not counting because of: " + f);
+    var url = goatcounter.url(vars);
+    if (!url) return warn("not counting because path callback returned null");
+
+    if (!navigator || !navigator.sendBeacon || !navigator.sendBeacon(url)) {
+      // This mostly fails due to being blocked by CSP; try again with an
+      // image-based fallback.
+      var img = document.createElement("img");
+      img.src = url;
+      img.style.position = "absolute"; // Affect layout less.
+      img.style.bottom = "0px";
+      img.style.width = "1px";
+      img.style.height = "1px";
+      img.loading = "eager";
+      img.setAttribute("alt", "");
+      img.setAttribute("aria-hidden", "true");
+
+      var rm = function () {
+        if (img && img.parentNode) img.parentNode.removeChild(img);
+      };
+      img.addEventListener("load", rm, false);
+      document.body.appendChild(img);
+    }
+  };
+
+  // Get a query parameter.
+  window.goatcounter.get_query = function (name) {
+    var s = location.search.substr(1).split("&");
+    for (var i = 0; i < s.length; i++)
+      if (s[i].toLowerCase().indexOf(name.toLowerCase() + "=") === 0)
+        return s[i].substr(name.length + 1);
+  };
+
+  // Track click events.
+  window.goatcounter.bind_events = function () {
+    if (!document.querySelectorAll)
+      // Just in case someone uses an ancient browser.
+      return;
+
+    var send = function (elem) {
+      return function () {
+        goatcounter.count({
+          event: true,
+          path: elem.dataset.goatcounterClick || elem.name || elem.id || "",
+          title:
+            elem.dataset.goatcounterTitle ||
+            elem.title ||
+            (elem.innerHTML || "").substr(0, 200) ||
+            "",
+          referrer:
+            elem.dataset.goatcounterReferrer ||
+            elem.dataset.goatcounterReferral ||
+            "",
+        });
+      };
+    };
+
+    Array.prototype.slice
+      .call(document.querySelectorAll("*[data-goatcounter-click]"))
+      .forEach(function (elem) {
+        if (elem.dataset.goatcounterBound) return;
+        var f = send(elem);
+        elem.addEventListener("click", f, false);
+        elem.addEventListener("auxclick", f, false); // Middle click.
+        elem.dataset.goatcounterBound = "true";
+      });
+  };
+
+  // Add a "visitor counter" frame or image.
+  window.goatcounter.visit_count = function (opt) {
+    on_load(function () {
+      opt = opt || {};
+      opt.type = opt.type || "html";
+      opt.append = opt.append || "body";
+      opt.path = opt.path || get_path();
+      opt.attr = opt.attr || {
+        width: "200",
+        height: opt.no_branding ? "60" : "80",
+      };
+
+      opt.attr["src"] =
+        get_endpoint() + "er/" + enc(opt.path) + "." + enc(opt.type) + "?";
+      if (opt.no_branding) opt.attr["src"] += "&no_branding=1";
+      if (opt.style) opt.attr["src"] += "&style=" + enc(opt.style);
+      if (opt.start) opt.attr["src"] += "&start=" + enc(opt.start);
+      if (opt.end) opt.attr["src"] += "&end=" + enc(opt.end);
+
+      var tag = { png: "img", svg: "img", html: "iframe" }[opt.type];
+      if (!tag) return warn("visit_count: unknown type: " + opt.type);
+
+      if (opt.type === "html") {
+        opt.attr["frameborder"] = "0";
+        opt.attr["scrolling"] = "no";
+      }
+
+      var d = document.createElement(tag);
+      for (var k in opt.attr) d.setAttribute(k, opt.attr[k]);
+
+      var p = document.querySelector(opt.append);
+      if (!p)
+        return warn(
+          "visit_count: element to append to not found: " + opt.append,
+        );
+      p.appendChild(d);
+    });
+  };
+
+  // Make it easy to skip your own views.
+  if (location.hash === "#toggle-goatcounter") {
+    if (localStorage.getItem("skipgc") === "t") {
+      localStorage.removeItem("skipgc", "t");
+      alert("GoatCounter tracking is now ENABLED in this browser.");
+    } else {
+      localStorage.setItem("skipgc", "t");
+      alert(
+        "GoatCounter tracking is now DISABLED in this browser until " +
+          location +
+          " is loaded again.",
+      );
+    }
+  }
+
+  if (!goatcounter.no_onload)
+    on_load(function () {
+      // 1. Page is visible, count request.
+      // 2. Page is not yet visible; wait until it switches to 'visible' and count.
+      // See #487
+      if (
+        !("visibilityState" in document) ||
+        document.visibilityState === "visible"
+      )
+        goatcounter.count();
+      else {
+        var f = function (e) {
+          if (document.visibilityState !== "visible") return;
+          document.removeEventListener("visibilitychange", f);
+          goatcounter.count();
+        };
+        document.addEventListener("visibilitychange", f);
+      }
+
+      if (!goatcounter.no_events) goatcounter.bind_events();
+    });
+})();

public/htmz.dev.js

@@ -0,0 +1,29 @@
+function htmz(frame) {
+  // -------------------------------->1------------------------------------
+  // No history
+  // ----------------------------------------------------------------------
+  // This clears the iframe's history from the global history
+  // by removing the iframe from the DOM (but immediately adding it back
+  // for subsequent requests).
+  // ---------------------------------1<-----------------------------------
+  // -------------------------------->2-----------------------------------
+  // Repeat GETs
+  // ----------------------------------------------------------------------
+  // This clears the iframe URL for a fresh start on next load.
+  // ---------------------------------2<-----------------------------------
+  // ------------------------------->1&2-----------------------------------
+  if (frame.contentWindow.location.href === "about:blank") return;
+  // --------------------------------1&2<----------------------------------
+  setTimeout(() => {
+    document
+      .querySelector(frame.contentWindow.location.hash || null)
+      ?.replaceWith(...frame.contentDocument.body.childNodes);
+    // ---------------------------------2<-----------------------------------
+    frame.contentWindow.location.replace("about:blank");
+    // -------------------------------->2------------------------------------
+    // ---------------------------------1<-----------------------------------
+    frame.remove();
+    document.body.appendChild(frame);
+    // -------------------------------->1------------------------------------
+  });
+}

public/htmz.js

@@ -0,0 +1,11 @@
+function htmz(frame) {
+  if (frame.contentWindow.location.href === "about:blank") return;
+  setTimeout(() => {
+    document
+      .querySelector(frame.contentWindow.location.hash || null)
+      ?.replaceWith(...frame.contentDocument.body.childNodes);
+    frame.contentWindow.location.replace("about:blank");
+    frame.remove();
+    document.body.appendChild(frame);
+  });
+}

public/mit.svg

@@ -0,0 +1,11 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1024 1024" role="img">
+  <defs>
+    <style>
+      path {
+        fill: #ffffff;
+      }
+    </style>
+  </defs>
+  <path d="M689.414 457.075l57.233-.196.837 243.787-57.233.197zM306.561 329.641h57.235v242.948h-57.235zm127.337-.775l57.235-.13.838 371.125-57.235.13zm-255.515-.064h57.237v371.963h-57.237z"/><path d="M512.005 0C228.872 0-1.475 229.68-1.48 511.996c-.002 282.316 230.343 512 513.474 512.004 283.133 0 513.482-229.68 513.484-511.996v-.008C1025.477 229.684 795.134.004 512.005 0zM963.56 512v.004c-.002 248.172-202.573 450.075-451.563 450.075-248.992-.004-451.559-201.91-451.555-450.083.003-248.172 202.573-450.075 451.563-450.075 248.986.004 451.553 201.907 451.555 450.075z"/>
+  <path d="M678.541 396.794l.233-57.234 206.924.84-.232 57.233zm-116.467 60.183h57.235v242.949h-57.235zm-.834-127.872l57.231-.602.837 79.582-57.232.602z"/>
+</svg>

public/theme.css

@@ -141,6 +141,20 @@ a {
     text-decoration: none;
   }
 }
+footer a {
+  text-decoration: none;
+  width: fit-content;
+  display: inline-block;
+  margin: 0 auto;
+  padding: 0;
+
+  &:hover::before {
+    content: none;
+  }
+  &:hover::after {
+    content: none;
+  }
+}
 ul {
   list-style-type: square;
 }

src/layouts/BaseLayout.astro

@@ -1,34 +1,23 @@
 <!doctype html>
+<!--prettier-ignore-->
 <html lang="en">
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <link
+    <link rel="preload" href="/unscii-16.woff" as="font" crossorigin="anonymous" />
-      rel="preload"
-      as="font"
-      href="/unscii-16.woff"
-      crossorigin="anonymous"
-    />
     <link rel="preload" href="reset.css" as="style" />
     <link rel="preload" href="theme.css" as="style" />
     <link rel="stylesheet" type="text/css" href="/style.css" />
-    <link
+    <link rel="icon" type="image/svg+xml" href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' width='100px' height='100px'><rect x='0' y='0' width='100' height='100' rx='15' ry='15' style='fill: rgb(0,0,0);'/><foreignObject width='100' height='100'><div xmlns='http://www.w3.org/1999/xhtml' style='width:100px;height:100px;line-height:100px;text-align:center;vertical-align:middle;color:transparent;text-shadow: 0 0 rgb(0 255 0);font-size:80px;'>👾</div></foreignObject></svg>"/>
-      rel="icon"
-      href="data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' width='100px' height='100px'><rect x='0' y='0' width='100' height='100' rx='15' ry='15' style='fill: rgb(0,0,0);'/><foreignObject width='100' height='100'><div xmlns='http://www.w3.org/1999/xhtml' style='width:100px;height:100px;line-height:100px;text-align:center;vertical-align:middle;color:transparent;text-shadow: 0 0 rgb(0 255 0);font-size:80px;'>👾</div></foreignObject></svg>"
-    />
     <meta name="generator" content={Astro.generator} />
     <meta name="darkreader-lock" />
     <link rel="sitemap" href="/sitemap-index.xml" />
-    <script
+    <script is:inline src="/htmz.js"></script>
-      data-goatcounter="https://badblocks.goatcounter.com/count"
+    <script is:inline async src="/goat.js" data-goatcounter="https://badblocks.goatcounter.com/count"></script>
-      async
-      src="//gc.zgo.at/count.js"></script>
-    <script>
-      import "iconify-icon";
-    </script>
     <slot name="head" />
   </head>
   <body>
+    <iframe hidden="" name="htmz" onload="window.htmz(this)"></iframe>
     <header>
       <h1>badblocks.dev</h1>
       <nav>
@@ -44,17 +33,11 @@
     </main>
     <footer>
       <p>
-        <a
+        <a href="https://opensource.org/license/mit" target="_blank">
-          href="https://creativecommons.org/licenses/by-nc-sa/4.0/"
+            <img src="/mit.svg" title="MIT Licensed" alt="MIT License Logo" width="24" height="24" role="img">
-          target="_blank"
+        </a>
-          ><iconify-icon icon="fa7-brands:creative-commons"
+        <br>
-          ></iconify-icon><iconify-icon icon="fa7-brands:creative-commons-by"
+        Made from scratch with BAHz: Bun, Astro, and Htmz!
-          ></iconify-icon><iconify-icon icon="fa7-brands:creative-commons-nc"
-          ></iconify-icon><iconify-icon icon="fa7-brands:creative-commons-sa"
-          ></iconify-icon></a
-        >
-        <br />
-        Made from scratch with BAHA: Bun, Astro, Htmx, and Alpine!
       </p>
     </footer>
   </body>