fix(build): fix dev flag replacement in esm-builder builds (#8314)

close #8312

diff --git a/rollup.config.js b/rollup.config.js
index 0b5ffa3b06736f9ca3539fcb41784a0ca9cd91f3..cfe334694dee9e58f8758e63f27635dde5dcf8ca 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')`
       })
     }