fix(runtime-core): skip apply mixins if mixinOption is empty

vuejs · Nov 21, 2020 · 20da7a6 · 20da7a6
1 parent 90bdf59
commit 20da7a6
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/packages/runtime-core/src/apiCreateApp.ts b/packages/runtime-core/src/apiCreateApp.ts
@@ -176,6 +176,11 @@ export function createAppAPI<HostElement>(
 
       mixin(mixin: ComponentOptions) {
         if (__FEATURE_OPTIONS_API__) {
+          // #2651
+          if (Object.keys(mixin).length === 0) {
+            return app
+          }
+
           if (!context.mixins.includes(mixin)) {
             context.mixins.push(mixin)
             // global mixin with props/emits de-optimizes props/emits