From 3b27a5d9c37d4f7f27f32f856f0915b78e08ea95 Mon Sep 17 00:00:00 2001
From: Patrick Creehan <pcreehan@microsoft.com>
Date: Fri, 20 Dec 2019 16:37:33 -0500
Subject: [PATCH] Fixing getClassificationNodes api to support no ids

---
 src/WorkItemTracking/WorkItemTrackingClient.ts | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/WorkItemTracking/WorkItemTrackingClient.ts b/src/WorkItemTracking/WorkItemTrackingClient.ts
index ae96666d..de660a67 100644
--- a/src/WorkItemTracking/WorkItemTrackingClient.ts
+++ b/src/WorkItemTracking/WorkItemTrackingClient.ts
@@ -211,17 +211,20 @@ export class WorkItemTrackingRestClient extends RestClientBase {
      */
     public async getClassificationNodes(
         project: string,
-        ids: number[],
+        ids: number[] | undefined,
         depth?: number,
         errorPolicy?: WorkItemTracking.ClassificationNodesErrorPolicy
         ): Promise<WorkItemTracking.WorkItemClassificationNode[]> {
 
         const queryValues: any = {
-            ids: ids && ids.join(","),
             '$depth': depth,
             errorPolicy: errorPolicy
         };
 
+        if (ids && ids.length > 0) {
+            queryValues["ids"] = ids.join(",");
+        }
+
         return this.beginRequest<WorkItemTracking.WorkItemClassificationNode[]>({
             apiVersion: "5.0",
             routeTemplate: "{project}/_apis/wit/classificationNodes",