From 98f7c020bd4b777a7e003041838ae4c772eadd53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Fri, 19 Apr 2013 19:27:02 -0700
Subject: [PATCH] Use Item#type instead of instanceof checks for better
 performance.

---
 src/item/Item.js      | 2 +-
 src/svg/SvgImport.js  | 2 +-
 src/tool/ToolEvent.js | 5 ++---
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/item/Item.js b/src/item/Item.js
index 1728d662..fcb8056c 100644
--- a/src/item/Item.js
+++ b/src/item/Item.js
@@ -1779,7 +1779,7 @@ var Item = this.Item = Base.extend(Callback, {
 			// Find group parents. Check for parent._parent, since don't want
 			// top level layers, because they also inherit from Group
 			if (parent._parent
-				&& (parent instanceof Group || parent instanceof CompoundPath)
+				&& /^(group|layer|compound-path)$/.test(parent._type)
 				&& item.isDescendant(parent))
 					return true;
 			// Keep walking up otherwise
diff --git a/src/svg/SvgImport.js b/src/svg/SvgImport.js
index b32a897a..333d41dc 100644
--- a/src/svg/SvgImport.js
+++ b/src/svg/SvgImport.js
@@ -89,7 +89,7 @@ new function() {
 			if (childNode.nodeType == 1 && (child = importSvg(childNode))) {
 				// If adding CompoundPaths to other CompoundPaths,
 				// we need to "unbox" them first:
-				if (clip && child instanceof CompoundPath) {
+				if (clip && child._type === 'compound-path') {
 					item.addChildren(child.removeChildren());
 					child.remove();
 				} else if (!(child instanceof Symbol)) {
diff --git a/src/tool/ToolEvent.js b/src/tool/ToolEvent.js
index a64565be..72c0fead 100644
--- a/src/tool/ToolEvent.js
+++ b/src/tool/ToolEvent.js
@@ -181,10 +181,9 @@ var ToolEvent = this.ToolEvent = Event.extend(/** @lends ToolEvent# */{
 			var result = this.tool._scope.project.hitTest(this.getPoint());
 			if (result) {
 				var item = result.item,
-					// Find group parent
+					// Find group parent, but exclude layers
 					parent = item._parent;
-				while ((parent instanceof Group && !(parent instanceof Layer))
-						|| parent instanceof CompoundPath) {
+				while (/^(group|compound-path)$/.test(parent._type)) {
 					item = parent;
 					parent = parent._parent;
 				}