diff --git a/packages/compiler/src/compiler/codegen.ts b/packages/compiler/src/compiler/codegen.ts
index 2c91059..8316df3 100644
--- a/packages/compiler/src/compiler/codegen.ts
+++ b/packages/compiler/src/compiler/codegen.ts
@@ -29,7 +29,7 @@ export function stripShebang(items: Items): Items {
     return items;
 }
 
-export type ModuleType ='es6' | 'require' | 'global' | 'none';
+export type ModuleType = 'es6' | 'require' | 'global' | 'none';
 
 export type ErrorSink = (message: string, start: Pos | undefined, end: Pos | undefined) => void;