From e6b0d7fcf63cebbb68c8882ffc867cf65a006dbb Mon Sep 17 00:00:00 2001
From: daychongyang <daychongyang@gmail.com>
Date: Tue, 26 May 2020 14:15:08 +0800
Subject: [PATCH] fix: dotenv debug option

---
 src/node/config.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/node/config.ts b/src/node/config.ts
index 03cf4c2f3b0ba7..eebd7950249bd5 100644
--- a/src/node/config.ts
+++ b/src/node/config.ts
@@ -429,7 +429,7 @@ function loadEnv(mode: string, root: string): Record<string, string> {
     const path = lookupFile(root, [file], true)
     if (path) {
       const result = dotenv.config({
-        debug: !!process.env.DEBUG,
+        debug: !!process.env.DEBUG || undefined,
         path
       })
       if (result.error) {