Fix areaKeys whitelist/blacklist and blacklist junction=roundabout

(closes #2484)

data/presets.yaml

@@ -1829,6 +1829,9 @@ en:
       relation:
         name: Relation
         terms: "<translate with synonyms or related terms for 'Relation', separated by commas>"
+      roundabout:
+        name: Roundabout
+        terms: "<translate with synonyms or related terms for 'Roundabout', separated by commas>"
       route/ferry:
         name: Ferry Route
         terms: "<translate with synonyms or related terms for 'Ferry Route', separated by commas>"

data/presets/presets.json

@@ -6804,6 +6804,17 @@
             "relation"
         ]
     },
+    "roundabout": {
+        "geometry": [
+            "vertex",
+            "line"
+        ],
+        "tags": {
+            "junction": "roundabout"
+        },
+        "name": "Roundabout",
+        "searchable": false
+    },
     "route/ferry": {
         "icon": "ferry",
         "geometry": [

data/presets/presets/roundabout.json

@@ -0,0 +1,11 @@
+{
+    "geometry": [
+        "vertex",
+        "line"
+    ],
+    "tags": {
+        "junction": "roundabout"
+    },
+    "name": "Roundabout",
+    "searchable": false
+}

data/taginfo.json

@@ -1629,6 +1629,10 @@
             "key": "railway",
             "value": "tram"
         },
+        {
+            "key": "junction",
+            "value": "roundabout"
+        },
         {
             "key": "route",
             "value": "ferry"

dist/locales/en.json

@@ -2960,6 +2960,10 @@
                 "name": "Relation",
                 "terms": ""
             },
+            "roundabout": {
+                "name": "Roundabout",
+                "terms": ""
+            },
             "route/ferry": {
                 "name": "Ferry Route",
                 "terms": ""

js/id/presets.js

@@ -52,21 +52,30 @@ iD.presets = function() {
     // (see `iD.Way#isArea()`). In other words, the keys of L form the whitelist,
     // and the subkeys form the blacklist.
     all.areaKeys = function() {
-        var areaKeys = {};
-
-        all.collection.forEach(function(d) {
-            if (d.suggestion) return;
+        var areaKeys = {},
+            ignore = ['highway', 'footway', 'railway', 'type'],
+            presets = _.reject(all.collection, 'suggestion');
 
+        // whitelist
+        presets.forEach(function(d) {
             for (var key in d.tags) break;
             if (!key) return;
-            var value = d.tags[key];
+            if (ignore.indexOf(key) !== -1) return;
 
-            if (['highway', 'footway', 'railway', 'type'].indexOf(key) === -1) {
-                if (d.geometry.indexOf('area') >= 0) {
-                    areaKeys[key] = areaKeys[key] || {};
-                } else if (key in areaKeys && value !== '*') {
-                    areaKeys[key][value] = true;
-                }
+            if (d.geometry.indexOf('area') !== -1) {
+                areaKeys[key] = areaKeys[key] || {};
+            }
+        });
+
+        // blacklist
+        presets.forEach(function(d) {
+            for (var key in d.tags) break;
+            if (!key) return;
+            if (ignore.indexOf(key) !== -1) return;
+
+            var value = d.tags[key];
+            if (d.geometry.indexOf('area') === -1 && key in areaKeys && value !== '*') {
+                areaKeys[key][value] = true;
             }
         });