From 7ee58d77b7cef4be7642fe21f07ee978d68f0260 Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Tue, 6 Aug 2013 09:10:56 -0700
Subject: [PATCH] Wrap permalink coordinates

---
 app/assets/javascripts/osm.js.erb | 32 ++++++++++++++++---------------
 1 file changed, 17 insertions(+), 15 deletions(-)

diff --git a/app/assets/javascripts/osm.js.erb b/app/assets/javascripts/osm.js.erb
index e414d26ff..4430943d1 100644
--- a/app/assets/javascripts/osm.js.erb
+++ b/app/assets/javascripts/osm.js.erb
@@ -139,26 +139,28 @@ OSM = {
   },
 
   formatHash: function(args) {
+    var center, zoom, layers;
+
     if (args instanceof L.Map) {
-      args = {
-        lat: args.getCenter().lat,
-        lon: args.getCenter().lng,
-        zoom: args.getZoom(),
-        layers: args.getLayersCode()
-      };
+      center = args.getCenter();
+      zoom = args.getZoom();
+      layers = args.getLayersCode();
+    } else {
+      center = L.latLng(args.lat, args.lon);
+      zoom = args.zoom;
+      layers = args.layers || '';
     }
 
-    var precision = zoomPrecision(args.zoom),
-      hash = '#map=' + args.zoom +
-        '/' + args.lat.toFixed(precision) +
-        '/' + args.lon.toFixed(precision);
+    center = center.wrap();
+    layers = layers.replace('M', '');
 
-    if (args.layers) {
-      args.layers = args.layers.replace('M', '');
-    }
+    var precision = zoomPrecision(zoom),
+      hash = '#map=' + zoom +
+        '/' + center.lat.toFixed(precision) +
+        '/' + center.lng.toFixed(precision);
 
-    if (args.layers) {
-      hash += '&layers=' + args.layers;
+    if (layers) {
+      hash += '&layers=' + layers;
     }
 
     return hash;
-- 
2.39.5