feat(app-plus-nvue): support vuex

packages/vue-cli-plugin-uni/packages/mp-vue/dist/mp.runtime.esm.js

@@ -711,8 +711,8 @@ Dep.prototype.removeSub = function removeSub (sub) {
 };
 
 Dep.prototype.depend = function depend () {
-  if (Dep.target) {
-    Dep.target.addDep(this);
+  if (Dep.SharedObject.target) {
+    Dep.SharedObject.target.addDep(this);
   }
 };
 
@@ -733,17 +733,20 @@ Dep.prototype.notify = function notify () {
 // The current target watcher being evaluated.
 // This is globally unique because only one watcher
 // can be evaluated at a time.
-Dep.target = null;
+// fixed by xxxxxx (nvue shared vuex)
+/* eslint-disable no-undef */
+Dep.SharedObject = typeof SharedObject !== 'undefined' ? SharedObject : {};
+Dep.SharedObject.target = null;
 var targetStack = [];
 
 function pushTarget (target) {
   targetStack.push(target);
-  Dep.target = target;
+  Dep.SharedObject.target = target;
 }
 
 function popTarget () {
   targetStack.pop();
-  Dep.target = targetStack[targetStack.length - 1];
+  Dep.SharedObject.target = targetStack[targetStack.length - 1];
 }
 
 /*  */
@@ -1028,7 +1031,7 @@ function defineReactive$$1 (
     configurable: true,
     get: function reactiveGetter () {
       var value = getter ? getter.call(obj) : val;
-      if (Dep.target) {
+      if (Dep.SharedObject.target) { // fixed by xxxxxx
         dep.depend();
         if (childOb) {
           childOb.dep.depend();
@@ -4751,7 +4754,7 @@ function createComputedGetter (key) {
       if (watcher.dirty) {
         watcher.evaluate();
       }
-      if (Dep.target) {
+      if (Dep.SharedObject.target) {// fixed by xxxxxx
         watcher.depend();
       }
       return watcher.value