/**
 * 描述：事件总线帮助工具
 * @ClassName eventBus
 * @Author apple
 * @Date 2019-04-20 19:58
 * @Version 1.0
 */

const EventBus = (Vue) => {
  Vue.prototype.$bus = new Vue({
    methods: {
      on(event, ...args) {
        this.$on(event, args)
      },
      once(event, ...args) {
        this.$once(event, args)
      },
      emit(event, callback) {
        this.$emit(event, callback)
      },
      off(event, callback) {
        this.$off(event, callback)
      }
    }
  })
}
export default EventBus