fix($core): style loss under build for package that specifies `sideEf…

…fects: false` (fix vuejs#2350) (vuejs#2471)
larionov · Aug 19, 2020 · 9c5c6c2 · 9c5c6c2
1 parent 6933a7b
commit 9c5c6c2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/@vuepress/core/lib/node/webpack/createBaseConfig.js b/packages/@vuepress/core/lib/node/webpack/createBaseConfig.js
@@ -230,7 +230,7 @@ module.exports = function createBaseConfig (context, isServer) {
         })
 
   function createCSSRule (lang, test, loader, options) {
-    const baseRule = config.module.rule(lang).test(test)
+    const baseRule = config.module.rule(lang).test(test).sideEffects(true)
     const modulesRule = baseRule.oneOf('modules').resourceQuery(/module/)
     const normalRule = baseRule.oneOf('normal')