From 523e5f2179a6f809d85f2affb39fb56b9039b9a4 Mon Sep 17 00:00:00 2001
From: Edward Betts <edward@4angle.com>
Date: Fri, 14 May 2021 15:10:01 +0200
Subject: [PATCH] Better handling of OSM marker to Wikidata item

---
 static/js/map.js | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/static/js/map.js b/static/js/map.js
index 59928fd..5ab8494 100644
--- a/static/js/map.js
+++ b/static/js/map.js
@@ -382,6 +382,10 @@ function mouse_events(marker, qid) {
   });
   marker.on("click", function () {
     var wd_item = items[qid].wikidata;
+    if (wd_item === undefined) {
+      console.log("not found:", qid);
+      return;
+    }
     search_and_isa.classList.add("d-none");
     detail_card.classList.remove("d-none");
     detail_card.classList.add("bg-highlight");
@@ -479,7 +483,6 @@ function add_wikidata_marker(item, marker_data) {
 
   var group = add_to_feature_group(item.qid, marker);
   group.addTo(map);
-  items[qid].wikidata = item;
 
   marker_data.marker = marker;
 }
@@ -491,6 +494,7 @@ function process_wikidata_items(load_items) {
     item.markers.forEach((marker_data) =>
       add_wikidata_marker(item, marker_data)
     );
+    items[qid].wikidata = item;
     wikidata_items[item.qid] = item;
 
     if (items[qid] === undefined) items[qid] = {};