From 44c8f169986409912b84f9380e3f39414bbfaace Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hu=C3=A1ng=20J=C3=B9nli=C3=A0ng?= <jlhwung@gmail.com>
Date: Fri, 4 Jun 2021 15:34:34 -0400
Subject: [PATCH] exit gracefully when CI does not have available workers

---
 Gulpfile.mjs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Gulpfile.mjs b/Gulpfile.mjs
index 7a5a7e8d5957..b98804677bed 100644
--- a/Gulpfile.mjs
+++ b/Gulpfile.mjs
@@ -250,7 +250,7 @@ async function buildBabel(useWorker, ignore = []) {
     promises.push(worker.transform(file, dest));
   }
   return Promise.all(promises).finally(() => {
-    if (useWorker) {
+    if (worker.end !== undefined) {
       worker.end();
     }
   });