add turbo

docs/assets/scripts/docs.js

@@ -45,7 +45,7 @@
 
   // Close when clicking outside of the sidebar
   document.addEventListener('mousedown', event => {
-    if (isSidebarOpen() & !event.target.closest('#sidebar, #menu-toggle')) {
+    if (isSidebarOpen() & !event.target?.closest('#sidebar, #menu-toggle')) {
       event.stopImmediatePropagation();
       toggleSidebar();
     }

docs/assets/scripts/turbo.js

@@ -0,0 +1,62 @@
+import * as Turbo from 'https://cdn.jsdelivr.net/npm/@hotwired/turbo@7.3.0/+esm'
+
+;(() => {
+  if (!window.scrollPositions) {
+    window.scrollPositions = {};
+  }
+
+  function preserveScroll () {
+    document.querySelectorAll("[data-preserve-scroll").forEach((element) => {
+      scrollPositions[element.id] = element.scrollTop;
+    })
+  }
+
+  function restoreScroll () {
+    document.querySelectorAll("[data-preserve-scroll").forEach((element) => {
+      element.scrollTop = scrollPositions[element.id];
+    })
+  }
+
+  window.addEventListener("turbo:before-cache", preserveScroll)
+  window.addEventListener("turbo:before-render", restoreScroll)
+  window.addEventListener("turbo:render", restoreScroll)
+
+  // Do this to prevent jankiness on the sidebar.
+  // make sure it has data-turbo-permanent
+  function normalizePathname(pathname) {
+    // Remove /index.html
+    if (pathname.endsWith('/index.html')) {
+      pathname = pathname.replace(/\/index\.html/, '');
+    }
+
+    // Remove trailing slashes
+    return pathname.replace(/\/$/, '');
+  }
+
+  /**
+  * Adds a class name to links that are currently active.
+  */
+  function markActiveLinks(_event) {
+    const options = {
+      className: 'active-link', // the class to add to active links
+      pathname: document.location.pathname, // the current pathname to compare
+      within: 'body', // element containing the target links
+    };
+
+    const within = document.querySelector(options.within);
+
+    if (!within) {
+      return doc;
+    }
+
+    within.querySelectorAll('a').forEach(link => {
+      if (normalizePathname(options.pathname) === normalizePathname(link.pathname)) {
+        link.classList.add(options.className);
+      }
+    });
+
+    return doc;
+  };
+
+  window.addEventListener("turbo:load", markActiveLinks)
+})()