fix: allow installation on extended Vue copies

vuejs · Sep 25, 2017 · c87b72f · c87b72f
1 parent 0cebc99
commit c87b72f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/store.js b/src/store.js
@@ -459,7 +459,7 @@ function unifyObjectStyle (type, payload, options) {
 }
 
 export function install (_Vue) {
-  if (Vue) {
+  if (Vue && _Vue === Vue) {
     if (process.env.NODE_ENV !== 'production') {
       console.error(
         '[vuex] already installed. Vue.use(Vuex) should be called only once.'