From: Evan You <yyx990803@gmail.com>
Date: Thu, 18 May 2023 08:00:35 +0000 (+0800)
Subject: fix(build): fix __DEV__ flag replacement edge case
X-Git-Tag: v3.3.4~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b7c04b18f73aad9a08dd57eba90101b5b2aef28;p=thirdparty%2Fvuejs%2Fcore.git

fix(build): fix __DEV__ flag replacement edge case

close #8353
---

diff --git a/rollup.config.js b/rollup.config.js
index cfe334694d..7050ba437e 100644
--- a/rollup.config.js
+++ b/rollup.config.js
@@ -193,7 +193,7 @@ function createConfig(format, output, plugins = []) {
     if (isBundlerESMBuild) {
       Object.assign(replacements, {
         // preserve to be handled by bundlers
-        __DEV__: `(process.env.NODE_ENV !== 'production')`
+        __DEV__: `!!(process.env.NODE_ENV !== 'production')`
       })
     }