Code refinement

cheton · Jan 31, 2018 · cac5471 · cac5471
1 parent 7c85187
commit cac5471
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/infinite-tree.js b/src/infinite-tree.js
@@ -975,7 +975,7 @@ class InfiniteTree extends events.EventEmitter {
         const nodeIndex = this.nodes.indexOf(node);
 
         const fn = () => {
-            node.state.open = true; // Set node.state.open to true
+            node.state.open = true;
 
             if (this.state.openNodes.indexOf(node) < 0) {
                 // the most recently used items first
@@ -1065,7 +1065,11 @@ class InfiniteTree extends events.EventEmitter {
 
                     if (nodes.length === 0 && currentNodeIndex >= 0) {
                         node.state.open = true;
-                        this.state.openNodes = [node].concat(this.state.openNodes);
+
+                        if (this.state.openNodes.indexOf(node) < 0) {
+                            // the most recently used items first
+                            this.state.openNodes = [node].concat(this.state.openNodes);
+                        }
                     }
 
                     if (err || nodes.length === 0) {