Skip navbar theme update when not fixed

.eslintignore

@@ -2,6 +2,7 @@ assets/js/critical/languageSelector.js
 assets/js/critical/color.js
 assets/js/analytics.js
 assets/js/flexsearch.js
+assets/js/navbar.js
 assets/js/sharing.js
 assets/js/vendor
 node_modules

assets/js/navbar.js

@@ -1,3 +1,4 @@
+const fixed = {{ site.Params.navigation.fixed }}
 const navbar = document.querySelector('.navbar')
 const togglers = document.querySelectorAll('.main-nav-toggler')
 const modeSelectors = document.querySelectorAll('.switch-mode-collapsed')
@@ -20,7 +21,7 @@ function updateNavbar () {
 
 if ((navbar !== null) && (window.performance.getEntriesByType)) {
   if (window.performance.getEntriesByType('navigation')[0].type === 'reload') {
-    updateNavbar()
+    fixed && updateNavbar()
   }
 }
 
@@ -32,7 +33,7 @@ if (navbar !== null && togglers !== null) {
     attributeFilter: ['data-bs-theme']
   }
   const Observer = new MutationObserver((mutationrecords) => {
-    updateNavbar()
+    fixed && updateNavbar()
   })
   Observer.observe(html, config)
 
@@ -43,7 +44,7 @@ if (navbar !== null && togglers !== null) {
 
   // set the navbar background color to opaque when scrolling past a breakpoint
   window.onscroll = () => {
-    updateNavbar()
+    fixed && updateNavbar()
   }
 
   // set the navbar background color to opaque when expanded

exampleSite/hugo_stats.json

@@ -237,7 +237,6 @@
       "fade",
       "fas",
       "figure-caption",
-      "fixed-top",
       "flex-column",
       "flex-fill",
       "flex-grow-1",
@@ -333,10 +332,10 @@
       "navbar-container",
       "navbar-contrast",
       "navbar-expand-md",
-      "navbar-fixed-top",
       "navbar-mode-selector",
       "navbar-nav",
       "navbar-nav-scroll",
+      "navbar-overlay",
       "navbar-title",
       "navbar-toggler",
       "next",