Merge pull request #160 from didkan/fix/potential-server-side-memory-…

…leak

Replace deprecated Vue.prototype.$bus with EventBus

hooks/afterRegistration.ts

@@ -1,25 +1,26 @@
 import Vue from 'vue'
 import { isServer } from '@vue-storefront/core/helpers'
 import * as types from '../store/mutation-types'
+import EventBus from '@vue-storefront/core/compatibility/plugins/event-bus'
 
 export function afterRegistration(config, store) {
   const VSF_PAYPAL_CODE = 'paypal_express'
   let correctPaymentMethod = false
 
   const placeOrder = () => {
     if (correctPaymentMethod) {
-      // Vue.prototype.$bus.$emit('checkout-do-placeOrder', {})
+      // EventBus.$emit('checkout-do-placeOrder', {})
     }
   }
 
   if (!isServer) {
-    Vue.prototype.$bus.$on('set-unique-payment-methods', methods => {
+    EventBus.$on('set-unique-payment-methods', methods => {
       store.commit(`payment-paypal-magento2/${types.SET_BACKEND_PAYMENT_PAYPAL_EXPRESS}`, methods)
     })
 
-    Vue.prototype.$bus.$on('checkout-before-placeOrder', placeOrder)
+    EventBus.$on('checkout-before-placeOrder', placeOrder)
 
-    Vue.prototype.$bus.$on('checkout-payment-method-changed', (paymentMethodCode) => {
+    EventBus.$on('checkout-payment-method-changed', (paymentMethodCode) => {
       correctPaymentMethod = paymentMethodCode === VSF_PAYPAL_CODE
     })
   }