fix global css marked as side effect free

vercel · Oct 17, 2022 · a2a7f95 · a2a7f95
1 parent 7be2ef0
commit a2a7f95
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/next/build/webpack/plugins/flight-client-entry-plugin.ts b/packages/next/build/webpack/plugins/flight-client-entry-plugin.ts
@@ -397,7 +397,7 @@ export class FlightClientEntryPlugin {
         const sideEffectFree =
           mod.factoryMeta && (mod.factoryMeta as any).sideEffectFree
 
-        if (sideEffectFree) {
+        if (sideEffectFree && modRequest.endsWith('.module.css')) {
           const unused = !compilation.moduleGraph
             .getExportsInfo(mod)
             .isModuleUsed(