【备忘录】使用eventHub非父子组件通信，报TypeError: cbs[i].apply is not a function

Vue.prototype.$eventHub = new Vue();

 

this.$eventHub.$emit('update:someValue', this.myValue);

this.$eventHub.$on('update:someValue', arg => this.wrapperValue = arg);

 

参考：https://stackoverflow.com/questions/41916838/issue-with-emitting-events-in-vue-with-eventhub