Prune unneeded save/restore groups

Author: mudcube

canvas2svg.js

@@ -472,7 +472,7 @@
             }
         }
 
-        return serialized;
+		return serialized;
     };
 
 
@@ -504,6 +504,13 @@
     ctx.prototype.restore = function () {
         var element = this.__groupStack.pop();
         var state = this.__stack.pop();
+
+        /** Prune empty group created when running save/restore without any content **/
+		var node = this.__currentElement
+		if (node.nodeName === 'g' && !node.childNodes.length) {
+			node.remove()
+		}
+
         this.__currentElementsToStyle = null;
         this.__currentElement = element || this.__root.childNodes[1];
         this.__applyStyleState(state);
@@ -1163,15 +1170,18 @@
      * Generates a ClipPath from the clip command.
      */
     ctx.prototype.clip = function () {
+    	console.log(this.__currentPath)
+    	if (!this.__currentPath) {
+    		return;
+		}
+
         applyCurrentDefaultPath.call(this, false);
 
         var group = this.__closestGroupOrSvg(),
             clipPath = this.__createElement("clipPath"),
             id = randomString(this.__ids),
             newGroup = this.__createElement("g");
 
-        this.__currentElement.remove();
-
         clipPath.setAttribute("id", id);
         clipPath.appendChild(this.__currentElement);