fix less#339

CartoDB · Apr 28, 2014 · 4f771ed · 4f771ed
1 parent 580e946
commit 4f771ed
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lib/carto/tree/definition.js b/lib/carto/tree/definition.js
@@ -97,6 +97,7 @@ tree.Definition.prototype.symbolizersToXML = function(env, symbolizers, zoom) {
  }
 
  sym_order = symbolizerList(sym_order);
+ var sym_count = 0;
 
  for (var i = 0; i < sym_order.length; i++) {
  var attributes = symbolizers[sym_order[i]];
@@ -105,6 +106,7 @@ tree.Definition.prototype.symbolizersToXML = function(env, symbolizers, zoom) {
  // Skip the magical * symbolizer which is used for universal properties
  // which are bubbled up to Style elements intead of Symbolizer elements.
  if (symbolizer === '*') continue;
+ sym_count++;
 
  var fail = tree.Reference.requiredProperties(symbolizer, attributes);
  if (fail) {
@@ -147,7 +149,7 @@ tree.Definition.prototype.symbolizersToXML = function(env, symbolizers, zoom) {
  }
  }
  }
- if (!xml) return '';
+ if (!sym_count || !xml) return '';
  return ' <Rule>\n' + xml + ' </Rule>\n';
 };