From c9e33f665e8236c80c57fd3aa06c289f3ead2abd Mon Sep 17 00:00:00 2001
From: Aya Morisawa <AyaMorisawa4869@gmail.com>
Date: Tue, 10 Sep 2019 17:15:38 +0900
Subject: [PATCH] Check if there is a built code (#5415)

---
 index.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/index.js b/index.js
index bc7e8b2f3a..9b91b0a03e 100644
--- a/index.js
+++ b/index.js
@@ -1 +1,7 @@
-require('./built').default();
+const fs = require('fs');
+
+if (fs.existsSync('./built')) {
+	require('./built').default();
+} else {
+	console.log('Built code is not found. Probably an error occurred during a build or you just forgot to build.');
+}