add param DisableSmoothScroll

layouts/partials/footer.html

@@ -24,6 +24,7 @@
 {{- partial "extend_footer.html" . }}
 
 <script>
+  (function() {
     let menu = document.getElementById('menu')
     if (menu) {
         menu.scrollLeft = localStorage.getItem("menu-scroll-position");
@@ -32,17 +33,18 @@
         }
     }
 
+    const disableSmoothScroll = '{{- if (.Param "DisableSmoothScroll") -}}1{{- end -}}' == '1';
+    if (window.matchMedia('(prefers-reduced-motion: reduce)').matches || disableSmoothScroll) {
+      return;
+    }
+    // only run this code if smooth scroll should be enabled
     document.querySelectorAll('a[href^="#"]').forEach(anchor => {
         anchor.addEventListener("click", function (e) {
             e.preventDefault();
             var id = this.getAttribute("href").substr(1);
-            if (!window.matchMedia('(prefers-reduced-motion: reduce)').matches) {
             document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView({
                 behavior: "smooth"
             });
-            } else {
-                document.querySelector(`[id='${decodeURIComponent(id)}']`).scrollIntoView();
-            }
             if (id === "top") {
                 history.replaceState(null, null, " ");
             } else {
@@ -50,7 +52,7 @@
             }
         });
     });
-
+  })();
 </script>
 
 {{- if (not site.Params.disableScrollToTop) }}