From 41cf82870b73d3a8254c518b27dc02dcbb5032f5 Mon Sep 17 00:00:00 2001
From: thefliik <thefliik@yahoo.com>
Date: Wed, 23 Jan 2019 17:23:25 -0800
Subject: [PATCH] Minor optimization to repl.ts (#1561)

---
 js/repl.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/repl.ts b/js/repl.ts
index 806a3e1426eba3..4fae31eabc896e 100644
--- a/js/repl.ts
+++ b/js/repl.ts
@@ -124,7 +124,7 @@ function parenthesesAreOpen(code: string): boolean {
     if (bracePosition % 2 === 0) {
       stack.push(bracePosition + 1); // push next expected brace position
     } else {
-      if (stack.length === 0 || stack.pop() !== bracePosition) {
+      if (stack.pop() !== bracePosition) {
         return false;
       }
     }