From 68eb1c66330d145ccb290c54fe9fb4a8b29e517a Mon Sep 17 00:00:00 2001
From: Ben McCann <322311+benmccann@users.noreply.github.com>
Date: Tue, 7 Jul 2020 14:49:56 -0700
Subject: [PATCH] Fix CSS code splitting with Rollup 2

---
 src/core/create_compilers/RollupCompiler.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/core/create_compilers/RollupCompiler.ts b/src/core/create_compilers/RollupCompiler.ts
index 65fa20e7b..582d2618e 100644
--- a/src/core/create_compilers/RollupCompiler.ts
+++ b/src/core/create_compilers/RollupCompiler.ts
@@ -41,7 +41,7 @@ export default class RollupCompiler {
 			transform: (code: string, id: string) => {
 				if (/\.css$/.test(id)) {
 					this.css_files.push({ id, code });
-					return ``;
+					return {code: '', moduleSideEffects: 'no-treeshake'};
 				}
 			}
 		});