fix(build): fix __DEV__ flag replacement edge case

close #8353

diff --git a/rollup.config.js b/rollup.config.js
index cfe334694dee9e58f8758e63f27635dde5dcf8ca..7050ba437e6cf625ee81a5fd4ec8f2b98301d689 100644 (file)
--- 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')`
       })
     }