plugins/removeNonInheritableGroupAttrs: new plugin to fix #101

plugins/removeNonInheritableGroupAttrs.js

@@ -0,0 +1,31 @@
+'use strict';
+
+var inheritableAttrs = require('./_collections').inheritableAttrs,
+    presentationAttrs = require('./_collections').attrsGroups.presentation,
+    excludedAttrs = ['display', 'opacity'];
+
+/**
+ * Remove non-inheritable group's "presentation" attributes.
+ *
+ * @param {Object} item current iteration item
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Kir Belevich
+ */
+exports.removeNonInheritableGroupAttrs = function(item) {
+
+    if (item.isElem('g')) {
+
+        item.eachAttr(function(attr) {
+            if (
+                presentationAttrs.indexOf(attr.name) !== -1 &&
+                excludedAttrs.indexOf(attr.name) === -1 &&
+                inheritableAttrs.indexOf(attr.name) === -1
+            ) {
+                item.removeAttr(attr.name);
+            }
+        });
+
+    }
+
+};