Update data-explorer to use table filters tree

[arvados-workbench2.git] / src / models / tree.ts

diff --git a/src/models/tree.ts b/src/models/tree.ts
index bdcd7309a1304d27e27ac1b31c464203fc0e83af..1bc15bc0824a500c1121812c252c82eaa2fc7ca0 100644 (file)
--- a/src/models/tree.ts
+++ b/src/models/tree.ts
@@ -95,6 +95,9 @@ export const getNodeAncestorsIds = (id: string) => <T>(tree: Tree<T>): string[]
 export const getNodeDescendants = (id: string, limit = Infinity) => <T>(tree: Tree<T>) =>
     mapIdsToNodes(getNodeDescendantsIds(id, limit)(tree))(tree);
 
+export const countNodes = <T>(tree: Tree<T>) =>
+    getNodeDescendantsIds('')(tree).length;
+
 export const getNodeDescendantsIds = (id: string, limit = Infinity) => <T>(tree: Tree<T>): string[] => {
     const node = getNode(id)(tree);
     const children = node ? node.children :