X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/b546e1dc213e7336e2d48f0e73962179b57145ae..227ffcbd2efe8cccd4a9025344b09632630cff14:/src/models/tree.ts

diff --git a/src/models/tree.ts b/src/models/tree.ts
index 60a95342..de2f7b71 100644
--- a/src/models/tree.ts
+++ b/src/models/tree.ts
@@ -238,6 +238,9 @@ const getRootNodeChildrenIds = <T>(tree: Tree<T>) =>
 
 
 const addChild = (parentId: string, childId: string) => <T>(tree: Tree<T>): Tree<T> => {
+    if (childId === "") {
+        return tree;
+    }
     const node = getNode(parentId)(tree);
     if (node) {
         const children = node.children.some(id => id === childId)