use object assign

Author: NOPROD

src/directives/stream.js

@@ -68,7 +68,7 @@ export default {
     const handle = binding.value;
     const _handle = el._rxHandles && el._rxHandles[getKey(binding)];
     if (_handle && handle && isObserver(handle.subject)) {
-      _handle.data = handle.data;
+      Object.assign(_handle, handle);
     }
   },
 

src/mixin.js

@@ -3,14 +3,15 @@ import { Subject, Subscription, isObservable } from "rxjs";
 
 export default {
   created() {
-    const vm = this;
+    var vm = this;
     const domStreams = vm.$options.domStreams;
 
     if (domStreams) {
       domStreams.forEach((key) => {
         vm[key] = new Subject();
       });
     }
+
     const observableMethods = vm.$options.observableMethods;
     if (observableMethods) {
       if (Array.isArray(observableMethods)) {
@@ -47,8 +48,8 @@ export default {
         vm._subscription.add(
           obs[key].subscribe(
             (value) => {
-              vm[key] = value;
-              vm = { ...vm };
+              Object.assign(vm, { [key]: value });
+              this.$forceUpdate();
             },
             (error) => {
               throw error;