chore: cleanup

Author: h-a-n-a

src/index.ts

@@ -78,13 +78,13 @@ export default function loader(
     !(loaderContext as any)['thread-loader'] &&
     !(loaderContext as any)[VueLoaderPlugin.NS]
   ) {
-    // loaderContext.emitError(
-    //   new Error(
-    //     `vue-loader was used without the corresponding plugin. ` +
-    //       `Make sure to include VueLoaderPlugin in your webpack config.`
-    //   )
-    // )
-    // errorEmitted = true
+    loaderContext.emitError(
+      new Error(
+        `vue-loader was used without the corresponding plugin. ` +
+          `Make sure to include VueLoaderPlugin in your webpack config.`
+      )
+    )
+    errorEmitted = true
   }
 
   const stringifyRequest = (r: string) => _stringifyRequest(loaderContext, r)