Merge pull request summernote#1800 from JoniJnm/bebe/patch-5

isRightEdgeOf(), returns 0 if ancestor is null
grasp · Apr 10, 2016 · 774c788 · 774c788
2 parents 65939ab + 0acaa55
commit 774c788
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/js/base/core/dom.js b/src/js/base/core/dom.js
@@ -476,6 +476,9 @@ define([
      * @return {Boolean}
      */
     var isRightEdgeOf = function (node, ancestor) {
+      if (!ancestor) {
+        return false;
+      }
       while (node && node !== ancestor) {
         if (position(node) !== nodeLength(node.parentNode) - 1) {
           return false;
@@ -598,7 +601,7 @@ define([
 
     /**
      * returns whether point is visible (can set cursor) or not.
-     * 
+     *
      * @param {BoundaryPoint} point
      * @return {Boolean}
      */