Don't throw an exception if the hash doesn't contain a map argument

[rails.git] / app / assets / javascripts / osm.js.erb

diff --git a/app/assets/javascripts/osm.js.erb b/app/assets/javascripts/osm.js.erb
index 4c5faa8293d959eff71b7d0e2a6abf3cb4d8915f..c41f040f33f7122339155577cab44495d0070705 100644 (file)
--- a/app/assets/javascripts/osm.js.erb
+++ b/app/assets/javascripts/osm.js.erb
@@ -46,6 +46,7 @@ OSM = {
       mapParams.mlat = parseFloat(params.mlat);
     }
 
+    // Old-style object parameters; still in use for edit links e.g. /edit?way=1234
     if (params.node) {
       mapParams.object = {type: 'node', id: parseInt(params.node)};
     } else if (params.way) {
@@ -114,6 +115,10 @@ OSM = {
 
     hash = querystring.parse(hash);
 
+    if (!(map in hash)) {
+      return false;
+    }
+
     var args = hash.map.split("/");
     if (args.length !== 3) {
       return false;