fixed #nextNode

izengliang · Oct 31, 2013 · f5a7c69 · f5a7c69
1 parent 16136ae
commit f5a7c69
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/index.js b/index.js
@@ -244,13 +244,15 @@ o.down = function (childId) {
 o.nextNode = function (childId) {
 	var child = this._getNode(childId);
 	if (child) {
-		var parent = child.parent,
-		index = child.position(),
+		var parent = child.parent;
+		if(parent){
+		var index = child.position(),
 		nextChildId = parent._childIdsList[index + 1];
 
 		if (nextChildId) {
 			return parent.getChild(nextChildId);
 		}
+		}
 	}
 }
 

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tree-node",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "tree node",
   "main": "index.js",
   "scripts": {