performance tuning for sidebar

1 files changed, 2 insertions, 0 deletions

diff --git a/src/Utils.ts b/src/Utils.ts
index 7401ef981..2b15ad0f2 100644
--- a/src/Utils.ts
+++ b/src/Utils.ts
@@ -362,6 +362,8 @@ export function returnZero() { return 0; }
 
 export function returnEmptyString() { return ""; }
 
+export let emptyPath = [];
+
 export function emptyFunction() { }
 
 export function unimplementedFunction() { throw new Error("This function is not implemented, but should be."); }