X-Git-Url: https://git.arvados.org/arvados-workbench2.git/blobdiff_plain/a8595bc84a3272c75e6d3163db1d6031cd166bd7..95b86eb6b3184b787b570a906347ccaac32195c6:/src/models/tree.ts

diff --git a/src/models/tree.ts b/src/models/tree.ts
index 8b71692b..bec2f758 100644
--- a/src/models/tree.ts
+++ b/src/models/tree.ts
@@ -98,6 +98,9 @@ export const getNodeDescendants = (id: string, limit = Infinity) => <T>(tree: Tr
 export const countNodes = <T>(tree: Tree<T>) =>
     getNodeDescendantsIds('')(tree).length;
 
+export const countChildren = (id: string) => <T>(tree: Tree<T>) =>
+    getNodeChildren('')(tree).length;
+
 export const getNodeDescendantsIds = (id: string, limit = Infinity) => <T>(tree: Tree<T>): string[] => {
     const node = getNode(id)(tree);
     const children = node ? node.children :