Scroll to first/last changeset in history list if before/after param is given

diff --git a/app/assets/javascripts/index/history.js b/app/assets/javascripts/index/history.js
index 372bf04f5fd5fa6ca466bb8ae4cbb70403ad4cb6..d37f96f069da6f38e85417a9a0d95d76a7f6f8d9 100644 (file)
--- a/app/assets/javascripts/index/history.js
+++ b/app/assets/javascripts/index/history.js
@@ -159,6 +159,16 @@ OSM.History = function (map) {
       .then(function (html) {
         displayFirstChangesets(html);
         enableChangesetIntersectionObserver();
       .then(function (html) {
         displayFirstChangesets(html);
         enableChangesetIntersectionObserver();

+
+        if (params.has("before")) {
+          const [firstItem] = $("#sidebar_content .changesets ol").children().first();
+          firstItem?.scrollIntoView();
+        }
+        if (params.has("after")) {
+          const [lastItem] = $("#sidebar_content .changesets ol").children().last();
+          lastItem?.scrollIntoView(false);
+        }
+

         updateMap();
       });
   }
         updateMap();
       });
   }