From d11b5ee7dc11af671355f65ccda00f6ba42cc725 Mon Sep 17 00:00:00 2001
From: iamkun <kunhello@outlook.com>
Date: Fri, 23 Oct 2020 18:01:18 +0800
Subject: [PATCH] fix: fix devHelper error in umd bundle in browser (#1165)

---
 src/plugin/devHelper/index.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/plugin/devHelper/index.js b/src/plugin/devHelper/index.js
index 40e1f38a7..248f244a0 100644
--- a/src/plugin/devHelper/index.js
+++ b/src/plugin/devHelper/index.js
@@ -1,6 +1,6 @@
 /* eslint-disable no-console */
 export default (o, c, d) => {
-  if (process.env.NODE_ENV !== 'production') {
+  if (!process || process.env.NODE_ENV !== 'production') {
     const proto = c.prototype
     const oldParse = proto.parse
     proto.parse = function (cfg) {